Don Walker is a former NASCAR driver from Palmer, WA. He competed in three Nextel Cup Series events in his career. Walker's debut came in 1964, when he competed at Riverside. Starting 33rd in the field of forty-four, Walker was plagued by a mid-race issue with his A-frame but still managed a 25th place finish. Walker's next race came in 1965, returing to Riverside. Starting 34th in the field of forty-two, Walker was again plagued by a mechanical issue, this time falling to a 38th place finish.