Colin Mackay or MacKay may refer to:Colin MacKay (footballer) (1908–1989), Australian rules footballer Colin B. Mackay (1920–2003), president of the University of New Brunswick, 1953–1969 Sir Colin Mackay (judge) (1943–2026), British High Court judge Colin MacKay (1944–2023), Scottish journalist Colin Mackay (writer) (1951–2003), poet and novelist Colin Mackay (journalist), Scottish journalist, Holyrood editor on STV News