Ralph Rodgerson (born May 19, 1948) is a Canadian retired professional ice hockey defenceman. He played in the National Hockey League (NHL) for the California Golden Seals and the Vancouver Canucks, and in the World Hockey Association (WHA) for the New England Whalers.
Rodgerson was born in Montreal, Quebec. He was drafted by the Boston Bruins in the third round, 14th overall, in the 1965 NHL Amateur Draft. His professional career began in the late 1960s. He joined the California Golden Seals during the 1969–70 NHL season, playing a total of 105 games with the team over three seasons.
In 1972, he was acquired by the Vancouver Canucks, where he played 22 games during the 1972–73 season. Following his time in the NHL, Rodgerson moved to the World Hockey Association, playing 64 games for the New England Whalers in the 1973–74 season. He concluded his professional playing career after the WHA stint.