Tendler is a mainly Yiddish surname. Notable people with the surname include:
Jesse Tendler, actor from the American sitcom, The Ellen Burstyn Show
Keren Tendler (died 2006), Israeli first female helicopter flight mechanic
Lance Tendler, co-producer of the film, Walking Across Egypt (film)
Lew Tendler (1898–1970), American boxer
Michael Tendler (born 1947), Russian-Swedish physicist
Moshe David Tendler, rabbi and biology professor, expert in Jewish medical ethics
Sidnei Tendler (born 1958), Brazilian-Belgian architect, designer, painter and poet
Silvio Tendler, director of the Brazilian documentary, Jango (film)
Stan Tendler, co-producer of the film, Walking Across Egypt (film)
Susan Tendler, American rabbi
