Tannahill
Tannahill may refer to:

 Jordan Tannahill (born 1988), Canadian playwright and filmmaker
 Mary Tannahill (1863–1951), American artist
 Reay Tannahill (1929–2007), British author and historian
 Robert Tannahill (1774–1810), Scottish poet
 The Tannahill Weavers, traditional Scottish musical group active since 1968

See also
 Tannehill (disambiguation)