Walter Sooy Jeffries (October 16, 1893, Atlantic City, New Jersey – October 11, 1954, Margate City, New Jersey) was an American Republican Party politician who represented New Jersey's 2nd congressional district in the United States House of Representatives from 1939 to 1941.

Jeffries was born in Atlantic City, New Jersey, on October 16, 1893, and attended the local public schools.

Jeffries was elected as a Republican to the Seventy-sixth Congress, serving in office from January 3, 1939 – January 3, 1941, and was an unsuccessful candidate for reelection in 1940 to the Seventy-seventh Congress.

Jeffries died in Margate City on October 11, 1954, and was interred in Laurel Memorial Cemetery in Egg Harbor Township, New Jersey.

This article incorporates public domain material from the Biographical Directory of the United States Congress