Nicholas Bayly

Nicholas Bayly may refer to:


 * Nicholas Bayly (Newry MP) (17th century), MP for Newry in the Irish House of Commons
 * Sir Nicholas Bayly, 2nd Baronet (1709–1782), British MP, grandson of the above
 * Nicholas Bayly (Anglesey MP) (1749–1814), MP for Anglesey, son of the above