John Adams Jr. (August 14, 1906 – April 19, 1999) was an American lawyer and Republican politician and a member of the unicameral Nebraska Legislature. He was born in Columbia, South Carolina and lived in Omaha, Nebraska after 1923. He served in the last session of the Nebraska House of Representatives and was the only black member of the Nebraska unicameral's first session in 1937, where he served until 1941. He was named by the Omaha World Herald as one of the Legislature's 16 most able members. While a legislator, he introduced what became the states first public housing law and supported other welfare legislation. He also served as an honorary sergeant at arms at the 1936 Republican National Convention and as a Judge Advocate at Camp Knight in Oakland, California during World War II.