Sebastian Leth Frandsen (born 24 May 1994) is a Danish handball player who plays for Fredericia HK.
He won the 2013 Men's Youth World Handball Championship along the Danish youth national team, defeating Croatia 32âÂÂ26 in OT.
He joined Ribe-Esbjerg HH on a two-year contract, starting at the begin of the 2014âÂÂ15 season after being without a club due to Vejle HÃÂ¥ndbold bankruptcy. While playing for Ribe-Esbjerg he debuted for the Danish national team on November 6th 2015 against Spain.
Bjerringbro-Silkeborg announced on 26 September 2015 that Sebastian Frandsen would be joining the club at the start of the 2016/2017 season. Frandsen signed a three-year deal with the club.
TTH Holstebro announced on 18 October 2017 that Sebastian Frandsen would be joining the club at the start of the 2018/2019 season. Frandsen signed a three-year deal with the club.
Frandsen played for FC Porto Handball for 2 years, where he won the Portoguese league and played in the EHF Champions League.
For the 2023âÂÂ24 season Frandsen returned to Denmark to play for Fredericia HK.