Siner may refer to: Places Siner, Chuvash Republic, a village in the Chuvash Republic, Russia Siner, Republic of Tatarstan, a settlement in the Republic of Tatarstan, Russia
People Guy Siner (born 1947), English actor Hosea Siner (1885–1948), American baseball player
See also Sine (disambiguation) Sinner (disambiguation) Signer (disambiguation) Siné, French political cartoonist Sinar (disambiguation) Sinor (disambiguation)