Eponymous terms
These are words that are derived from people's names. Not all of the words here come from the names of real people; fictional characters are included. If you have more to add to this list, please /msg me.

Bloomer (Amelia Bloomer)
Boswell (James Boswell)
Boycott (Charles C. Boycott)
Chauvinistic (Nicolas Chauvin)
Crapper (Thomas Crapper)
Curlicism (Edmund Curll)
Falstaffian (Sir John Falstaff, fictional)
Gerrymander (Elbridge Gerry)
Guillotine (Joseph Ignace Guillotin)
Leotard (Jules Leotard)
Lucullan (Lucius Lucinius Lucullus)
Machiavellian (Niccolo Machiavelli)
Maverick (Samuel Maverick)
Mesmerize (Franz Anton Mesmer)
Micawber (Wilkins Micawber, Fictional)
Pollyanna (Fictional)
Pyrrhic (Pyrrhus)
Sandwich (Edward Montagu, AKA Earl of Sandwich)
Shrapnel (Lieutenant General Henry Shrapnel)
Silhouette (Etienne de Silhouette)
Svegali (Fictional)

See also Eponymous laws and Eponymous medical terms

And, Toponyms (places that are named after people).