Robert Bryan (and variants) may refer to: Robert Jensen Bryan (born 1943), United States federal judge Robert A. Bryan (1926–2017), American university professor and university president Bob Bryan (born 1978), American tennis player Bob Bryan (geologist), Australian geologist Robert Bryan (tennis) (fl. 1930s), American tennis player, in 1935 U.S. National Championships – Men's Singles Robert Bryan (poet) (1858–1920), Welsh folklorist Robert Brian (born 1970), British jazz and rock drummer