Altec Styslinger Tennis Exhibition 06/30 16:19 - [271] Mackenzie McDonald v Steve Johnson [63] 4-0,4-2
Altec Styslinger Tennis Exhibition 06/29 19:00 - Steve Johnson v Reilly Opelka View
Matchplay 120 06/08 23:00 1 [102] Marcos Giron v Steve Johnson [63] 6-3,6-1
Matchplay 120 06/03 23:00 - Steve Johnson v Brandon Nakashima View
Matchplay 120 06/01 23:00 - Steve Johnson v Christopher Eubanks View
Matchplay 120 06/01 23:00 1 [63] Steve Johnson v Ernesto Escobedo [181] 6-4,7-6
Challenger Indian Wells 03/08 19:40 29 [126] Jack Sock v Steve Johnson [75] 4-6,4-6
Challenger Indian Wells 03/07 19:50 28 [220] Mitchell Krueger v Steve Johnson [75] 4-6,4-6
Challenger Indian Wells 03/06 18:00 27 [75] Steve Johnson v Noah Rubin [250] 6-3,6-3
Challenger Indian Wells 03/05 18:00 26 [75] Steve Johnson v Taro Daniel [111] 7-6,6-2
Challenger Indian Wells 03/04 18:00 25 [75] Steve Johnson v Marc Polmans [119] 6-1,3-6,6-2
ATP Acapulco 02/26 00:10 25 [73] Steve Johnson v Dusan Lajovic [24] 7-6,4-6,3-6
ATP Delray Beach 02/22 01:00 27 [76] Steve Johnson v Milos Raonic [37] 6-7,3-6
ATP Delray Beach 02/20 23:00 26 [129] Jack Sock v Steve Johnson [76] 4-6,7-5,1-6
ATP Delray Beach 02/18 17:55 25 [134] Henri Laaksonen v Steve Johnson [76] 6-7,4-6
ATP New York 02/12 18:35 26 [98] Andreas Seppi v Steve Johnson [75] 7-6,6-3
ATP New York 02/11 00:30 25 [75] Steve Johnson v Tennys Sandgren [53] 6-7,6-3,7-6
Challenger Newport Beach 02/01 19:25 28 [75] Steve Johnson v Thai-Son Kwiatkowski [271] 6-3,6-7,1-6
Challenger Newport Beach 01/31 21:10 27 [132] Bradley Klahn v Steve Johnson [75] 4-6,2-6
Challenger Newport Beach 01/30 18:00 26 [272] Aleksandar Vukic v Steve Johnson [75] 6-7,7-6,6-7
Challenger Newport Beach 01/29 22:10 25 Roberto Quiroz v Steve Johnson 3-6,2-6
Australian Open 01/20 03:05 23 [75] Steve Johnson v Roger Federer [3] 3-6,2-6,2-6
Challenger Bendigo 01/18 01:40 29 [81] Steve Johnson v Stefano Travaglia [75] 7-6,7-6
Challenger Bendigo 01/17 01:20 28 [341] Andrea Vavassori v Steve Johnson [81] 3-6,1-6
Challenger Bendigo 01/16 00:50 27 Steve Johnson v Harold Mayot 6-3,7-6
Challenger Bendigo 01/15 01:35 26 [81] Steve Johnson v Calum Puttergill [374] 7-6,6-0
Challenger Bendigo 01/13 03:15 25 Steve Johnson v Markos Kalovelonis 6-3,6-7,6-3
Challenger Canberra 01/10 03:15 27 [84] Steve Johnson v Philipp Kohlschreiber [79] 6-7,5-7
Challenger Canberra 01/09 01:20 26 [84] Steve Johnson v Bradley Klahn [132] 6-4,7-6
Challenger Canberra 01/07 03:00 25 [84] Steve Johnson v Zhizhen Zhang [137] 6-7,6-4,6-4

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.