ATP Halle 06/10 12:50 25 Albano Olivetti v Steve Johnson 4-6,2-6
Challenger Bordeaux 05/18 13:00 29 Julien Benneteau v Steve Johnson 6-3,6-2
Challenger Bordeaux 05/17 12:00 28 Juan Ignacio Londero v Steve Johnson 3-6,4-6
Challenger Bordeaux 05/16 11:55 27 David Goffin v Steve Johnson 4-6,3-6
Challenger Bordeaux 05/15 10:05 26 Andrea Collarini v Steve Johnson 5-7,2-6
Challenger Bordeaux 05/13 10:20 25 Diego Schwartzman v Steve Johnson 3-6,6-7
ATP Houston 04/10 17:00 26 Steve Johnson v Fernando Verdasco 0-6,6-4,3-6
ATP Houston 04/08 22:00 25 Steve Johnson v Denis Kudla 6-3,7-6
Challenger Le Gosier 04/06 21:05 29 Kenny de Schepper v Steve Johnson 1-6,7-6,6-7
Challenger Le Gosier 04/05 22:20 28 Steve Johnson v Thomas Fabbiano 7-6,6-4
Challenger Le Gosier 04/04 20:00 27 Denis Kudla v Steve Johnson 4-6,0-6
Challenger Le Gosier 04/03 19:30 26 Matthias Bachinger v Steve Johnson 7-6,6-7,3-6
Challenger Le Gosier 04/01 19:40 25 Michael Venus v Steve Johnson 3-6,5-7
ATP Miami 03/20 22:15 23 Roberto Bautista-Agut v Steve Johnson 4-6,6-3,6-1
ATP Delray Beach 02/22 20:00 28 Steve Johnson v Kevin Anderson 2-6,4-6
ATP Delray Beach 02/21 20:20 27 Steve Johnson v Feliciano Lopez 6-3,6-2
ATP Delray Beach 02/19 23:40 26 Tommy Haas v Steve Johnson 4-6,6-2,6-7
ATP Delray Beach 02/18 18:05 25 Steve Johnson v Mikhail Kukushkin 6-4,6-3

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.