Willner may refer to:
Surnames Alfred M. Willner (1859–1929), Austrian composer and librettist Arthur Willner (1881–1959), Czech composer Hal Willner (1956–2020), American film and television music producer Lisa Willner, American politician Mats Willner (b. 1968), Swedish journalist Robert Willner (b. unknown, d. 1995), American physician from Florida who denied AIDS is caused by HIV
Places Rural Municipality of Willner No. 253, Saskatchewan, Canada