Beaver is a surname. Notable people with the surname include:
Diane E. Beaver, American lawyer and United States Army officerIsidor George Beaver (1859–1934), Australian architectJames A. Beaver (1837–1914), Pennsylvania governorJim Beaver (born 1950), American actorJustin Beaver (born 1984), American football playerMartin Beaver (born 1967), Canadian violinistMike Beaver (born 1973), Canadian comedian and writerR. Perry Beaver, American Muscogee leaderRoger A. Beaver, biologist who studied Nepenthes pitcher plantsRyan Beaver (born 1984), American singer-songwriterStan Beaver, American singerWilliam H. Beaver (born 1940), American academic