Joan Adam (born April 4, 1944) is an American politician, attorney and historic preservation advocate who served five terms as a member of the Kansas House of Representatives as the representative from the 48th District in Atchison, Kansas. A Democrat, she was elected to the House of Representatives in 1982 and served until the end of her fifth term in 1993. Representative Adam authored the Kansas Heritage Trust Fund during her tenure in the Kansas Legislature. A resident of Kansas City, Kansas, she is a board member of Historic Kansas City and a former president of Historic Kansas City.