Vesa Pekka "Costello" Hautamäki (born 11 September 1963) is a Finnish musician and composer.

He is known especially for his career as a guitarist with Finnish rock group Popeda, but he has also forged an international career with Hanoi Rocks as their guitarist during 2001–2003 and has actively performed and recorded as a solo artist.

After Mikkonen left, Hautamäki became Popeda's sole guitarist and frontman.

His third and only Finnish-language album, Kun mies unelmoi, was released on 8 March 2013.

Since 2013 Hämeenlinna store Finlandia Instruments have produced a guitar called Costellobird (the Costello Bird) in his name, of which ten or so have been made so far.