Liene Jansone (born 22 May 1981 in Riga) is a Latvian women's basketball player who has most recently played for the Tarsus Belediyesi of the Turkish Women's Basketball League and is member of the Latvian national team. She is a 1.92 m (6 ft 4 in) tall power forward.
Both of her parents were basketball coaches and her younger sister, Līga, is a former basketball player. Jansone started playing at a professional level in 1997, in the local TTT/Rīga team.
She was a member of the Siena Saints NCAA team from 2000 until 2004. Jansone eventually became one of the team's leaders. In her first year, the team won NCAA Conference. Jansone was named the Most Valuable Player. Since then, she has played in Europe.
Jansone is a member of the Latvian national team. Prior to playing at a senior level, she played at the under-18 and under-20 levels. She made her senior debut on 6 August 2005. Jansone has represented Latvia at several Eurobasket Women (2005, 2007, 2009, 2011) and at the 2008 Summer Olympics.