Cousin Kate is a lost[1] 1921 American drama film produced and released by the Vitagraph Company of America.

It is based on a 1903 play by Hubert Henry Davies.

On the Broadway stage Ethel Barrymore made the role of Kate Curtis her own and was identified with it for many years.

Alice Joyce stars in this film version.

This article about a silent drama film from the 1920s is a stub.