|Date of birth||February 5, 1909|
|Date of death||November 9, 1965(aged 56)|
|Place of death||United States|
|* Senior club appearances and goals counted for the domestic league only.|
Frank Greinert (February 5, 1909 – November 9, 1965) was a U.S. soccer player who was a member of the U.S. soccer team at the 1936 Summer Olympics. At the time, he played for the Philadelphia German-Americans of the American Soccer League.