Gregory Walker

Gregory or Greg Walker may refer to:

• Greg Walker (academic), professor of rhetoric and English literature at the University of Edinburgh
• Greg Walker (baseball) (born 1959), former first baseman
• Greg Walker (footballer) (born 1967), former Australian rules footballer
• Greg Walker (rower) (born 1964), American Olympic rower
• Gregory T.S. Walker (born 1961), American composer, violinist, and guitarist
• Gregory Walker (music), harmonic formula in the Renaissance period
• Greg Walker (politician) (born 1963), Republican politician in Indiana
• Greg T. Walker (born 1951), American bassist
• Gregory Walker, a character in "A Piano in the House"