Alan or Allan Cook or Cooke may refer to:

• Sir Alan Cook (physicist) (1922–2004), British physicist
• Allan Cook (footballer) (born 1941), Australian rules footballer who played with Geelong
• Allan Cook (cricketer) (1924–1989), New Zealand cricketer
• Alan Cook (footballer) (born 1992), Scottish footballer
• Allan Cooke (1930–2010), Australian rules footballer who played with Richmond
• Alan Cooke (table tennis) (born 1966), English table tennis international
• Alan Cooke (politician), Irish politician and judge