Paul Tanner Leissner[1][2] (born September 17, 1995) is an American professional basketball player for Akita Northern Happinets of the B.League.

[4] Leissner was again named first team all-conference in his junior after averaging 17.1 points and 6.9 rebounds and helped lead New Hampshire to the semifinal of the 2017 America East men's basketball tournament.

He was named first team All-America East for a third consecutive season and awarded UNH Athlete of the Year.

[7] Leissner signed with Ehingen Urspring of ProA, the German second division, to start his professional career.

Leissner returned to Germany after signing with MHP Riesen Ludwigsburg of the Basketball Bundesliga (BBL) on August 2, 2019.