Gerald Otieno Kajwang (15 July 1956 – 19 November 2014) was a Kenyan politician. He belonged to the Orange Democratic Movement and was elected to represent the Mbita Constituency in the National Assembly of Kenya in the December 2007 parliamentary election. In the bitterly contested 2013 elections, Otieno Kajwang was elected to represent Homa Bay County in the Senate of Kenya. Upon his death, his brother, Moses Otieno Kajwang won the election to succeed him in Parliament, representing Homa Bay.