Strong Kirchheimer (born 26 April 1995) is an American tennis player.
Kirchheimer has a career high ATP singles ranking of world No. 375 achieved on 6 November 2023. He also has a career high ATP doubles ranking of No. 491 achieved on 20 September 2021.
Kirchheimer made his ATP main draw debut at the 2023 Winston-Salem Open after entering the singles main draw as a lucky loser directly into the second round after the withdrawal of 11th seed Daniel Altmaier.
For a second year in a row, ranked No. 495, he entered the main draw of the 2024 Winston-Salem Open after qualifying as an alternate, with wins over another alternate player Ryan Fishback and sixth qualifying seed Thai-Son Kwiatkowski.
Kirchheimer played college tennis at Northwestern University.