Thomas, Tom or Tommy Blackburn may refer to:

• Anthony Blackburn (born 1945), British vice-admiral and Equerry to the Royal Household, commonly known as Tom Blackburn
• Thomas Blackburn (entomologist) (1844–1912), Australian entomologist
• Thomas Blackburn (poet) (1916–1977), British poet
• Tom Blackburn (basketball) (1906–1964), American basketball coach
• Tom Blackburn (pharmacologist) (born 1949), British industrial pharmacologist
• Tom W. Blackburn (1913–1992), American writer and lyricist
• Tommy Blackburn (1913–1994), American naval aviator and World War II flying ace