Julian Lenz (born 17 February 1993 in Giessen) is a German tennis player. He won the 2011 US Open boys‘ doubles title, partnering Robin Kern. He has an ATP career high singles ranking of world No. 227, achieved in January 2020. In doubles, he reached his career-high ranking of No. 162 in June 2021.
Lenz played college tennis for the Baylor University.
He made his ATP Tour main draw debut by qualifying for both singles and doubles at the 2019 Hamburg European Open. In singles, he lost to world No. 10 Fabio Fognini in the first round. In doubles, he and partner Daniel Masur upset compatriots Alexander and Mischa Zverev after saving two match points in the opening round.
17 February 1993