Alain Colas (16 September 1943 – 16 November 1978) was a French sailor, the first to complete a solitary round-the-world race in a multihull.

[1][2] He met Éric Tabarly in Sydney in 1967, and bought Pen Duick IV from him in 1970, and won the "Transat" in 1972.

[1] He broke his right ankle, underwent 22 surgeries, and got back on his feet for the solitary transatlantic race.

Éric Tabarly won, and Alain Colas arrived 2nd, but was classed 5th.

On 16 November 1978, as he passed the Azores, he sent his last radio message, saying that everything was alright and sailing well.