Signer may refer to:
A sign language user The author of a signature A signing agent
People Dan Signer, Canadian-American television writer-producer Michael Signer, American politician Roman Signer (born 1938), Swiss visual artist Rudolf Signer (1903-1990), Swiss chemist Walter Signer (1910 -1974), American baseball pitcher Walter Signer (cyclist) (born 1937), Swiss cyclist
See also Siner (disambiguation) Sign (disambiguation)