The Rosewater Fund is a private foundation associated with the family of Philadelphia businessman Edward Rosewater that funds Jewish and left-of-center causes. Based in Philadelphia, the foundation was granted charitable status in November 1961. 
In its 2017 tax filing, the Rosewater Fund listed book-value assets of $2,784,019 and grants made of $163,750. 
Rosewater Fund gives primarily to organizations of interest to the Rosewater family.
The Fund has granted totals of over $240,000 to Congregation Rodeph Shalom in Philadelphia; over $230,000 to Haverford College; over $120,000 to Wellesley College; over $60,000 to Oberlin College; over $30,000 to Randolph College, and over $20,000 to Randolph-Macon Women’s College.
Additionally, the Fund has gifted over $300,000 to the Jewish Funds for Justice which later became the left-wing Jewish social activism organization Bend the Arc. The Rosewater Fund also provided over $30,000 to left-wing environmentalist group EarthRights International. 
Ann Rosewater is a member of the Rosewater family and sits on the Rosewater Fund board.  She also sits on the board of Juvenile Law Center, a left-leaning advocacy group for youth involved with the criminal justice system and recipient of Rosewater Fund contributions. 
Edward Rosewater grew up in Omaha, Nebraska and Philadelphia, Pennsylvania. A graduate of Haverford College, he was a leader in commercial real estate in the Philadelphia area. He was a former president of Congregation Rodeph Shalom. He passed away in 2004.