John Robb

John Robb may refer to:

• John Robb (1862–1913), Scottish civil engineer
• John Robb (author) (born 1962), American author, military analyst and entrepreneur
• John Robb (civil engineer) (1834–1896), Ireland-born contractor and businessman in Australia
• John Robb (musician) (born 1961), British journalist and vocalist for punk band Goldblade
• John D. Robb, Chairman of the International Prayer Council
• John Donald Robb (1892–1989), American composer and ethnomusicologist
• Jimmy Robb or John "Jimmy" Robb (born 1935), Scottish footballer
• John Robb (surgeon) (1932–2018), Northern Irish surgeon and politician who served in Seanad Éireann, 1982–1989
• John Hanna Robb (1873–1956), Northern Irish politician
• John Morrow Robb (1876–1942), physician and politician in Ontario, Canada