Jonathan Vonheim Norbye (born 26 March 2007) is a Norwegian footballer who plays as a defender for Norwegian Eliteserien club Fredrikstad.
Norbye joined the youth academy of German Bundesliga side RB Leipzig at the age of fifteen.
On 23 June 2025, Norbye was loaned by 2. Bundesliga club Arminia Bielefeld. He only made appearances for Arminia's reserve team in the first half of the season, and on 22 December 2025, the loan was terminated early.
Norbye mainly operates as a defender and has been described as "a calmness and confidence in his game... has made the centre-back position his own".
Norbye is the younger brother of Norwegian footballer Tobias Vonheim Norbye.