John Aird may refer to:
John Aird (Lord Provost) (1655–1730), Scottish merchant, Lord Provost of Glasgow Sir John Aird, 1st Baronet (1833–1911), English engineering contractor associated with Aswan Dam, MP for North Paddington Sir John Aird (banker) (1855–1938), Canadian banker Sir John Aird, 2nd Baronet (1861–1934), of the Aird baronets Sir John Renton Aird, 3rd Baronet (1898–1973), of the Aird baronets John Black Aird (1923–1995), Canadian lawyer and politician Jock Aird (John Aird, 1926–2021), Scottish footballer Sir John Aird, 4th Baronet (1940–2023), British baronet John B. Aird (ship), a self-discharging lake freighter/bulk carrier