ATP Winston-Salem 08/25 21:00 29 [57] Daniil Medvedev v Steve Johnson [34] 6-4,6-4
ATP Winston-Salem 08/25 01:00 28 [34] Steve Johnson v Pablo Carreno-Busta [12] 6-3,6-4
ATP Winston-Salem 08/23 19:00 27 [34] Steve Johnson v Kyle Edmund [16] 6-1,6-2
ATP Winston-Salem 08/22 21:30 26 [34] Steve Johnson v Jaume Munar [85] 6-4,6-4
ATP Winston-Salem 08/21 19:00 25 [34] Steve Johnson v Tommy Paul [392] 7-6,6-2
ATP Cincinnati 08/14 00:30 24 [10] Novak Djokovic v Steve Johnson [33] 6-4,7-6
ATP Toronto 08/07 18:25 24 [33] Steve Johnson v Fabio Fognini [14] 4-6,4-6
ATP Washington 08/02 01:00 25 [72] Alex De Minaur v Steve Johnson [34] 6-4,7-5
ATP Newport 07/22 16:00 29 [48] Steve Johnson v Ramkumar Ramanathan [161] 7-5,3-6,6-2
ATP Newport 07/21 20:00 28 [124] Marcel Granollers v Steve Johnson [48] 3-6,3-6
ATP Newport 07/20 18:20 27 [48] Steve Johnson v Dudi Sela [156] 6-2,6-3
ATP Newport 07/18 18:55 26 [48] Steve Johnson v Christian Harrison [208] 6-3,6-1
Wimbledon 07/02 15:35 23 [42] Steve Johnson v Ruben Bemelmans [104] 5-7,3-6,6-4,7-6,6-8
ATP Eastbourne 06/27 12:00 26 [42] Steve Johnson v Mischa Zverev [67] 3-6,3-6
ATP Eastbourne 06/26 12:10 25 [42] Steve Johnson v Daniil Medvedev [59] 6-2,6-4
ATP Halle 06/19 10:00 25 [48] Benoit Paire v Steve Johnson [44] 7-5,7-6
French Open 06/02 14:30 25 [4] Marin Cilic v Steve Johnson [46] 6-3,6-2,6-4
French Open 05/31 09:00 24 [71] Jan-Lennard Struff v Steve Johnson [46] 6-4,6-7,2-6,2-6
French Open 05/29 12:40 23 [46] Steve Johnson v Adrian Mannarino [26] 7-6,6-2,6-2
ATP Geneva 05/25 13:50 28 [47] Steve Johnson v Marton Fucsovics [60] 6-2,4-6,1-6
ATP Geneva 05/24 14:30 27 [81] Guido Pella v Steve Johnson [47] 3-6,4-6
ATP Geneva 05/24 09:00 26 [286] Lukas Rosol v Steve Johnson [47] 4-6,6-4,3-6
ATP Geneva 05/22 11:40 25 [95] Marius Copil v Steve Johnson [47] 6-7,3-6
ATP Rome 05/16 12:15 25 [48] Steve Johnson v Pablo Carreno-Busta [11] 4-6,6-2,4-6
ATP Rome 05/13 12:35 24 [25] Stan Wawrinka v Steve Johnson [55] 4-6,4-6
ATP Houston 04/15 19:00 29 [51] Steve Johnson v Tennys Sandgren [56] 7-6,2-6,6-4
ATP Houston 04/14 21:05 28 [51] Steve Johnson v Taylor Fritz [72] 7-5,6-7,6-2
ATP Houston 04/14 00:10 27 [9] John Isner v Steve Johnson [51] 6-7,6-4,6-7
ATP Houston 04/12 17:00 26 [58] Frances Tiafoe v Steve Johnson [51] 3-6,4-6
ATP Houston 04/10 23:00 25 [120] Ernesto Escobedo v Steve Johnson [51] 6-3,6-7,2-6

Steve Johnson Jr The Third. (born December 24, 1989) is an American former professional tennis player.

He had a career-high singles ranking of world No. 21 achieved on July 25, 2016, and a doubles ranking of world No. 39 achieved on May 23, 2016. For one week in August 2016, Johnson was the top-ranked American in men's singles. He won four ATP Tour and nine ATP Challenger Tour titles, one at Nottingham on grass, twice at Houston on clay, and one at Newport on grass. He won a bronze medal in men's doubles at the 2016 Olympics with fellow American Jack Sock.

Johnson played college tennis for the USC Trojans. He won the NCAA Men's Singles Championship in his junior and senior seasons (2011–2012), and he was a part of a Trojan team that won four consecutive NCAA Championships.