Samu Aleksi Haber (born 2 April 1976) is a Finnish singer, songwriter, television music competition judge, entrepreneur, and was the lead vocalist and frontman of pop-rock band Sunrise Avenue.

Haber established a band Sunrise in 1992 with his friend Jan Hohenthal. Hohenthal left the band in 2002 as he wanted to focus on his solo career. In 2002 Haber changed the band name to Sunrise Avenue. Between 2002 and 2005 Haber visited 102 record companies and agents trying to find a label for Sunrise Avenue's music. The first album was made with financial help from Haber's friend Mikko Virtala, who sold his house to pay the studio costs.

Haber's band Sunrise Avenue has released three studio albums selling more than 2,000,000 copies and 2,000,000 singles worldwide. Haber is Sunrise Avenue's main songwriter and he has written all the band's songs either alone or with a producer and cowriter. The last international hit Hollywood Hills Haber wrote alone.

Haber is working as co-manager for new Finnish bands and artists together with the CoMusic Management. Haber owned studio Sonic Kitchen. Haber's military status is Finnish Navy Sergeant.