Bachelder is a surname. Notable people with the surname include:
Chris Bachelder (born 1971), American writer John B. Bachelder (1825–1894), American portrait and landscape painter, lithographer, and photographer Joseph Bachelder III (1932–2020), American executive compensation lawyer Myrtle Bachelder (1907–1997), American chemist and educator Nahum J. Bachelder (1854–1934), American politician Stephen Bachiler (c. 1561–1656), early proponent of "Separation of church and state" and progenitor of many Bachelder and Batchelder families
See also Batchelder Bachelor, a man above the age of majority who has never been married