Bob Stewart may refer to:

Sports

• Bob Stewart (footballer, born 1903) (1903–1965), Australian rules footballer for Richmond
• Bob Stewart (footballer, born 1939), Australian rules footballer for North Melbourne
• Bob Stewart (footballer, born 1946), Australian rules footballer for Melbourne
• Bob Stewart (ice hockey) (1950–2017), ice hockey player
• Bob Stewart (umpire) (1915–1981), baseball umpire

Other

• Bob Stewart (television producer) (1920–2012), television producer
• Bob Stewart (musician) (born 1945), tuba player
• Bob Stewart (politician) (born 1949), Conservative MP for Beckenham, former British Army Colonel and United Nations commander in Bosnia
• Bob Stewart (communist) (1877–1971), British spy and member of the Communist Party
• Bob Stewart (radio presenter) (1939–2019), British radio DJ and presenter
• Robertson Stewart (1913–2007), New Zealand industrialist and exporter also known as Bob Stewart