Joonas Vihko (born April 6, 1981) is a Finnish former professional ice hockey winger.
Vihko began his career with Kiekko-Vantaa before moving to his hometown team HIFK in 1998. Having played in U18 and U20 level he eventually made his way up to the senior team. In 2004-05 he was loaned out to HC Salamat and in 2005-06 he moved to SaiPa for a brief tenure. He then signed with HPK and after four seasons he moved to Sweden to sign for LuleÃÂ¥ HF.
Vihko was drafted 103rd overall in the 2002 NHL Entry Draft by the Mighty Ducks of Anaheim but never signed a contract and remained in Finland. He has represented Finland at U20 level.