Seidman is a surname. Notable people with the surname include:
Harold Seidman (1911-2002), U.S. political scientist
Herbert Seidman, U.S. chess master
Leslie Seidman, American accountant, Chairman of the Federal Accounting Standards Board 2010-2013
L. Michael Seidman, professor at the Georgetown University Law Center, co-author of several textbooks with Mark Tushnet
Mike Seidman (American football) (born 1981), U.S. football player
Naomi Seidman, professor of Jewish culture at the Graduate Theological Union, author of an analysis of Elie Wiesel's book Night
Pam and Jerry Seidman, founders of Jerry's Famous Deli
Rose Sher Seidman, a founder of Phi Sigma Sigma sorority
Steven Seidman, author of Beyond the Closet: The Transformation of Gay and Lesbian Life
L. William Seidman, U.S. economist and financial commentator on CNBC's Morning Call
Yaron Seidman, Hunyuan Medicine, Hunyuan Research Institute for Chinese Classics, Founder.