Jacob Jacobs (born Yakov Yakubovitsh) (January 2, 1890 – October 14, 1977), Yiddish theater and vaudeville director, producer, lyricist, songwriter, coupletist, character actor, comic born in Rosca (now Riska, Romania).

In 1911 he was in his first play, Leon Kobrin's Yankel Boyla at the Odeon theater.

He married Rebecca Treitler (Betty), daughter of the Yiddish theater director.

Although the show was not a great success, it did produce a song that become a #1 hit, Bei Mir Bistu Shein.

He is buried in Mount Hebron Cemetery, in the Yiddish Theatrical Alliance area.