The 2004 Milan–San Remo cycling race was the 95th edition of the monument classic Milan–San Remo and was won for the first time by Spaniard Óscar Freire of Rabobank.

[1] It was held on 20 March 2004 over 294 kilometres.

Four times winner Erik Zabel lifted his arms to celebrate too soon and Freire won by 3 centimeters by a bike throw at the line.