The New York City mayoral election of 1969 occurred on Tuesday, November 4, 1969, with incumbent Liberal Party Mayor John Lindsay elected to a second term. Lindsay defeated the Democratic candidate, New York City Comptroller Mario Procaccino, and the Republican candidate, state senator John Marchi. Lindsay received 42.36% of the vote to Procaccino's 34.79%, a Liberal victory margin of 7.57%. Marchi finished a distant third with 22.69%. Procaccino also received the Civil Service ballot line, while Marchi received the Conservative Party ballot line.