Blumer is a surname of German origin, from the word blume, meaning "flower". It may refer to:
Bob Blumer (born 1962), Canadian cookbook writer and television hostDavid Blumer (born 1986), Swiss football playerDeborah Blumer (1941–2006), American politicianElano Blumer (born 1981), Brazilian football playerGeorge Alder Blumer (1857–1940), American psychiatristHerbert Blumer (1900–1987), American sociologistJairo Luis Blumer (born 1986), Brazilian football playerJohann Jakob Blumer (1819–1875), Swiss judgeLiselotte Blumer (born 1957), Swiss badminton playerOthmar Blumer (1848–1900), Swiss politicianRandy Blumer (born 1958), Canadian businessmanScrappy Blumer (1917–1997), American fighter pilotTheodor Blumer (1881–1964), German composer