Warren Isbell Lee (February 5, 1876 – December 25, 1955) was a U.S. Representative from New York.

He graduated from Hamilton College in 1899, and from New York Law School in 1901.

He was an assistant district attorney of Kings County from 1912 to 1914, First Deputy New York State Comptroller from 1914 to 1917, one of the counsel to the state Public Service Commission from 1917 to 1919, and a Trustee of Hamilton College from 1917 to 1921.

Afterwards he resumed the practice of law, and was a director of Flatbush National Bank.

He died on December 25, 1955, in Brooklyn and was buried at the Green-Wood Cemetery there.