Kári Jónsson (born 27 August 1997) is an Icelandic basketball player who plays for Valur in the Úrvalsdeild karla.

[5][6] On 26 December, he was named CAA Rookie of the week after scoring 17 points, including 5 three-pointers, and handing out 8 assists in a game against Quinnipiac University.

[15] On March 8, Haukar defeated Valur in the last game of the regular season and finished with the best record in the league, winning the Division championship and a home court advantage through the playoffs.

[22] Surgery was performed on both his ankles to remove a portion of his heelbones, to alleviate the pain it was causing to his Achilles tendons.

[28] He appeared in one game for Haukar, scoring 27 points, before the season was delayed due to the coronavirus pandemic in Iceland.

In December 2020, Haukar agreed to release Kári from his contract so he could sign with LEB Oro club Bàsquet Girona.

[31] On 18 May 2022, he won his first Icelandic championship and was named the Úrvalsdeild Playoffs MVP after Valur defeated Tindastóll in the finals.

[33] In December 2023, Valur announced that Kári would miss several months of playing time due to an injury that required surgery.

[35] In 2015, Kári was named the MVP of the U-18 Nordic Championship after averaging 17.8 points and 6.0, and leading Iceland to a second-place finish.

[39][40] He played for the U-20 team at the 2017 FIBA Europe Under-20 Championship, helping them advance from the group stage to the Second Round of 16.

Kári is the son of Jón Arnar Ingvarsson, a former professional player and coach, who played 102 games for the Icelandic national basketball team.