Rob "Bob" A. Valentine (born c. 1941) is a Scottish rugby union and professional rugby league footballer who played in the 1950s, 1960s and 1970s, and coached rugby league in the 1970s. He played representative level rugby union (RU) for South of Scotland, and at club level for , Hawick Linden RFC and Hawick RFC as a flanker, and representative level rugby league (RL) for Great Britain and Other Nationalities, and at club level for Huddersfield, Wakefield Trinity (Heritage No. 768) and Keighley (captain), as a prop, second-row or loose forward, i.e. number 8 or 10, 11 or 12, or 13, and coached at club level rugby league (RL) for in 1975 in Huddersfield's Pennine League, and formed the Huddersfield colts team in 1976.