2 M

• Gaius Maecenas, a Roman patron of literature and the arts, a true "maecenas"
• François Magendie – foramen of Magendie (outlet for cerebrospinal fluid in the brain)
• Maggie, sister of Matt Groening, creator of The Simpsons – Maggie Simpson, character in The Simpsons animated TV series
• Jules Germain François Maisonneuve - Maisonneuve fracture
• Benoît Mandelbrot – Mandelbrot set
• Antoine Marfan – Marfan syndrome
• Marge, mother of Matt Groening, creator of The Simpsons – Marge Simpson, character in The Simpsons animated TV series
• Henrietta Maria de Bourbon, wife of Charles I – Maryland
• Pierre Marie – Charcot-Marie-Tooth disease
• Saint Marinus – San Marino
• John Marshall – Marshall Islands
• Lionel Martin – Aston Martin
• John L. Mason – Mason jar
• Harold "Matt" Matson and Elliot Handler – Mattel
• Jujiro Matsuda – founder, Mazda (also possibly inspired by Zoroastrian god Ahura Mazda)
• Maurice of Nassau – Mauritius
• Maussollus - mausoleum, a monumental tomb
• Hiram Maxim – Maxim gun
• James Clerk Maxwell – Maxwell, unit of magnetic flux
• Louis B. Mayer – founder of Louis B. Mayer Pictures which later merged into Metro-Goldwyn-Mayer (or MGM)
• Dick McDonald and Mac McDonald – founders, McDonald's Corporation
• Meirion , son of Cunedda – Merionethshire
• Georg Meissner – Meissner corpuscles
• Walter Meissner (and Robert Ochsenfeld ) – Meissner effect (or Meissner-Ochsenfeld effect)
• Lise Meitner – Meitnerium, chemical element
• Nellie Melba – Melba toast
• Dmitri Mendeleev – Mendelevium, chemical element
• Prosper Meniere – Meniere's disease
• Franz Mesmer (1734-1815) - mesmerism or hypnosis
• Robert Metcalfe – Metcalfe's law
• Michelangelo, Renaissance painter – Michaelangelo, one of the Teenage Mutant Ninja Turtles comic characters
• Hermann Minkowski – Minkowski space, Minkowski's theorem, Minkowski addition, Minkowski inequality
• Andrija Mohorovicic – Moho, ( Mohorovicic's discontinuity )
• Pepe le Moko fictional character from the novel and movies of the same name – Pepe Le Pew Warner Bros. French skunk character
• Vyacheslav Molotov (1890-1986) - Molotov cocktail
• Robert Moog – Moog Synthesizer
• Gordon Moore – Moore's Law
• Jean Moreau de Sechelles – Seychelles
• José María Morelos – Morelos
• Prince Morgan the Old of Gwent – Glamorgan
• Samuel Morse – Morse code
• John Morton (1420-1500), Chancellor of England - Morton's Fork, a choice between two equally unpleasant alternatives
• Jerry Moss and Herb Alpert – A&M Records
• Rudolf Mössbauer – Mossbauer effect
• Lord Louis Mountbatten – Mountbatten pink, naval camouflage pigment
• W. Mueller – Geiger-Mueller tube

3 N - O

• John Napier – Neper, unit of relative power level, Napier's bones, method for performing multiplication
• Napoleon, emperor of France – Napoleonic code
• John Forbes Nash – Nash equilibrium, Nash embedding theorem
• Joachim Neander (1650-1680), poet, for whom the Neanderthal (valley) was named, and thus the Neandertal fossil found there
• Baby Face Nelson – Baby Face Finlayson, formerly from The Beano comic
• Henri Nestlé – created the milk-based food in 1867 which became Nestlé
• John von Neumann – Von Neumann machine, Von Neumann probe, Von Neumann architecture, John von Neumann Theory Prize, IEEE John von Neumann Medal
• Isaac Newton – Newton - unit of force, Newton's law of cooling, Newton's law of gravitation, Newton's laws of motion, Newton's rings
• Arthur Nielsen – Nielsen Ratings from the Nielsen Media Research, Inc. firm
• Alfred Nobel – Nobel Prizes, Nobelium, chemical element
• Emmy Noether – Noether's theorem
• Ian Norman and Gerald Harvey – Harvey Norman
• Robert Ochsenfeld and Walter Meissner – Meissner-Ochsenfeld effect ( Meissner effect)
• William of Ockham – Occam's Razor
• King Oengus I of the Picts – Angus
• Georg Ohm – Ohm - unit of electrical resistance, Ohm's Law
• Ongull, a Scandinavian landowner – Anglesey
• Jan Oort – Oort Cloud
• Hans Christian Orsted – Oersted, unit of magnetic field strength

4 P

• David Packard and William Hewlett – Hewlett-Packard
• Vilfredo Pareto – Pareto principle, Pareto efficiency, Pareto distribution, Pareto index
• James Parkinson – Parkinson's disease
• Rosa Parks – Rosa Parks Highway
• Blaise Pascal – Pascal - unit of pressure; Pascal's triangle, Pascal's Wager or Pascal's Gambit, Pascal programming language, Pascal's theorem
• Louis Pasteur – Pasteurization
• Wolfgang Pauli – Pauli exclusion principle
• Axel Paulsen – Axel, Figure skating jump
• Anna Pavlova – Pavlova
• Giuseppe Peano – Peano axioms
• Jean Charles Athanase Peltier – Peltier effect
• Slavoljub Eduard Penkala ( ballpoint pen) – Penkalo
• William Penn – Pennsylvania
• J.C. Penney – JCPenney
• Roger Penrose – Penrose diagram, Penrose tiling, Penrose triangle, Penrose stairs
• Dom Perignon (1638-1715), a blind French Benedictine monk – Dom Perignon (wine)
• St. Peter – Saint-Pierre and Miquelon
• Philip II of Spain – Philippines
• Gerard Philips – founder, Philips
• Joseph Hubertus Pilates - Pilates
• Max Planck – Planck's constant, Planck's law of black body radiation
• Friedrich Carl Alwin Pockels – Pockels effect
• Joel Roberts Poinsett (1779-1851) - poinsettia
• Jean Louis Marie Poiseuille – Poise - unit of viscosity, Poiseuille's Law
• Charles Ponzi (1877-1949) - Ponzi scheme, a kind of fraud
• Ferry Porsche – founder, Porsche
• Percivall Pott – Pott's disease, Pott's fracture
• William Procter and James Gamble – Procter & Gamble
• Joseph Pulitzer – Pulitzer Prize

5 Q - R

• Vidkun Quisling (1887-1945), Norwegian traitor - the term "quisling" became a synonym in many European languages for traitor
• C. V. Raman – Raman spectroscopy, Raman effect
• William John Macquorn Rankine – Degree Rankine, unit of temperature
• Raphael, Renaissance painter – Raphael, one of the Teenage Mutant Ninja Turtles comic characters
• John William Strutt, 3rd Baron Rayleigh – Rayleigh scattering
• Maurice Raynaud , French physician – Raynaud's disease
• René Antoine Ferchault de Réaumur – Réaumur, unit of temperature
• Dorothy Reed – Reed-Sternberg cell
• Arnold Reuben (possibly) – Reuben
• Cecil Rhodes – Northern Rhodesia (Now Zambia), Southern Rhodesia (Now Zimbabwe)
• Charles Richter – Richter magnitude scale
• Ron Rivest – the first letter of the name RSA, an asymmetric algorithm for public key cryptography, is taken from Rivest
• Romulus – Rome
• Count Karl Robert von Nesselrode – Nesselrode
• Alvah Roebuck and Richard Sears – Sears, Roebuck, now Sears
• Charles Rolls and Henry Royce – Rolls-Royce
• Wilhelm Röntgen – Röntgen, unit of dosage of X-rays or gamma radiation
• Andrés Quintana Roo – Quintana Roo
• Gioacchino Rossini – Tournedos Rossini
• Rota, a Saxon landowner ("Rota's land") – Rutland
• Henry Royce and Charles Rolls – Rolls-Royce
• Carle David Tolmé Runge – Runge's phenomenon
• Lord Rutherford – Rutherfordium, chemical element
• Johannes Rydberg – Rydberg constant

6 S

• Donatien Alphonse Francois de Sade, or, the Marquis de Sade, whose writings gave the name to sadism.
• Sheikh Safi Al-Din Ardabili – Safavid Dynasty, Safavids
• Leopold von Sacher-Masoch, one of the first to write of the pleasures of pain and humiliation, now called masochism
• John Montagu, 4th Earl of Sandwich, who nibbled meat between slices of bread while playing cards, which became known as sandwiches
• Franz Sacher, Vienna – Sachertorte
• Ulrich Salchow – Salchow, Figure skating jump
• Colonel Samarski , a Russian mine official – samarskite , the mineral after which the chemical element Samarium has been named
• Sappho (630 BC - 612 BC), Greek poetess who wrote love poems addressed to women - sapphism or lesbianism
• Muhammad bin Saud – Saudi Arabia
• Adolphe Sax - the saxophone, a musical instrument
• Louie Schmitt , animator – Louie, one of "Huey, Dewey and Louie", animated cartoon characters
• Erwin Schrödinger – Schrödinger equation, Schrödinger's cat, Schrödinger's Kittens - a book
• Ed Scott – the second letter of the company name BEA Systems, is taken from Ed, a co-founder
• Robert Scott, Antarctic explorer – Amundsen-Scott South Pole Station
• Ebenezer Scrooge, fictional character in Charles Dickens' A Christmas Carol – Scrooge McDuck
• Glenn T. Seaborg – Seaborgium, chemical element
• Richard Sears and Alvah Roebuck – Sears, Roebuck, now Sears
• Thomas Seebeck – Seebeck effect
• Edgar Selwyn and Archibald Selwyn , who used the last three letters of their name alongwith the first four of Samuel Goldfish to create Goldwyn Picture Corporation, which later merged into Metro-Goldwyn-Mayer (or MGM)
• Adi Shamir – the second letter of the name RSA, an asymmetric algorithm for public key cryptography, is taken from Shamir
• Roger Shepard – Shepard tone
• Henry S. Shrapnel (1761-1842) - shrapnel
• Werner von Siemens – Siemens - unit of electrical conductance; Siemens AG - company
• Rolf Sievert – Sievert, unit of radiation dose equivalent
• Etienne de Silhouette (1709-1767) - Silhouette
• Issac Merritt Singer, inventor, improvements in the design of the sewing machine – Singer Corporation
• Alexander Skene – Skene's gland
• Oliver R. Smoot: Smoot
• Hermann Snellen : Snellen chart
• Snot, a Saxon landowner ("Snot's home" + shire) – Nottinghamshire
• Solomon – Solomon Islands
• John Philip Sousa – Sousaphone
• William Archibald Spooner (1844-1930) - spoonerism
• Johannes Stark – Stark spectroscopy, Stark effect
• Jožef Stefan and Ludwig Boltzmann – Stefan-Boltzmann constant
• Carl von Sternberg (disputed) – Reed-Sternberg cell
• George M. Sternberg (disputed) – Reed-Sternberg cell
• John K. Stewart and Arthur P. Warner – Stewart-Warner
• George Gabriel Stokes – Stokes, unit of viscosity
• Levi Strauss – Levi Strauss & Co.
• Count Stroganov (possibly Count Pavel Alexandrovitch Stroganov or Count Grigory Stroganov) – Stroganoff
• Rashid Sunyaev and Yakov B. Zeldovic – Sunyaev-Zeldovic effect
• Michio Suzuki – founder, Suzuki
• Cambu Svayambhuva – Cambodia
• Theodor Svedberg – Svedberg, unit of sedimentation rate

7 T

• Tarik-ibn-Ziyad (from Arabic djebl al-Tarik or "mountain of Tarik") – Gibraltar
• Abel Tasman – Tasmania
• J. R. D. Tata – founder, Tata
• Stéphanie Tatin and Caroline Tatin – Tarte Tatin
• Maria Teresa, the Grand Duchess of Luxembourg – Maria Teresa cocktail
• Nikola Tesla – Tesla effect , Tesla coil, Tesla - unit of magnetic flux density
• Luisa Tetrazzini, operatic soprano – Chicken Tetrazzini
• Leon Theremin – Theremin
• Thomas – São Tomé and Príncipe
• John T. Thompson – Thompson submachine gun
• Johann Daniel Titius and Johann Elert Bode – Titius-Bode Law
• Howard Henry Tooth – Charcot-Marie-Tooth disease
• Evangelista Torricelli – Torr, unit of pressure
• Linus Torvalds – Linus's law, Linux operating system (from Linus' Minix), Tux - mascot of Linux (from Torvald's Unix)
• Sakichi Toyoda – founder, Toyota
• Donald Trump – Trump Tower , the Trump International Tower and Hotel , etc.
• Alan Turing – Turing machine, Turing complete, Church-Turing thesis, Church-Turing-Deutsch principle
• J. M. W. Turner, English painter – Turner Prize in art
• Ted Turner, media mogul – Turner Entertainment, Turner Classic Movies, Turner Broadcasting System or TBS, TBS Superstation, WTBS (TV), Turner Network Television or TNT, Turner Tomorrow Fellowship Award
• Marie Tussaud – Madame Tussauds wax museum

8 U - V

• James Van Allen – Van Allen radiation belt
• George Vancouver – Vancouver, British Columbia, Vancouver, Washington, Vancouver Island
• Johannes Diderik van der Waals – Van der Waals force
• Amerigo Vespucci (1454-1512) - America
• Queen Victoria – Queensland, Victoria (Australia), Victoria, British Columbia, Victoria Island, Lake Victoria, Victoria Harbour
• Saint Vincent – Saint Vincent and the Grenadines
• Leonardo da Vinci, Renaissance painter – Leonardo, one of the Teenage Mutant Ninja Turtles comic characters
• Vitruvius, Roman architect – Homo Vitruvianus or Vitruvian Man - famous drawing by Leonardo da Vinci
• Alessandro Volta - the volt, a unit of electromotive force

9 W

• Samuel Wallis , 18th century navigator – Wallis and Futuna
• Sam Walton – Wal-Mart
• the brothers Jack Warner, Sam Warner, Harold Warner and Albert Warner – Warner Bros
• Arthur P. Warner and John K. Stewart – Stewart-Warner
• George Washington – Washington and Washington D.C.
• James Watt (1736-1819) - the watt, a unit of power
• Wilhelm Eduard Weber – Weber, unit of magnetic flux
• Peter J. Weinberger – the second letter of the name awk, a computer pattern/action language, is taken from Weinberger
• Duke of Wellington – Beef Wellington , Wellington boot
• Mae West (1893-1980), busty actress for whom the flotation safety vest was named.
• Thomas West, 3rd Baron De La Warr – Delaware
• George Hoyt Whipple – Whipple's disease
• Wilhelm Wien – Wien's law
• Eugene Wigner – Wigner's friend
• Erik Adolf von Willebrand – Von Willebrand disease, Von Willebrand factor
• Max Wilms , a German surgeon – Wilms' tumor
• Oliver F. Winchester – chief investor Winchester repeating rifle
• Caspar Wistar (1761-1818) - Wisteria
• Kaspar Friedrich Wolff – Wolffian duct

10 X - Z

• Torakusu Yamaha – founder, Yamaha Corporation
• Abraham Zapruder – Zapruder film, the video recording of John F. Kennedy's assassination
• Pieter Zeeman – Zeeman effect
• Yakov B. Zeldovic and Rashid Sunyaev – Sunyaev-Zeldovic effect
• Ferdinand von Zeppelin – Zeppelin
• George Kingsley Zipf – Zipf's law

An asterisk designates people who became eponyms despite their stated wishes not to.

11 See also

• Lists of etymologies
• List of people

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