There have been a total of ninemanagers in the history of theArizona DiamondbacksMajor League Baseball (MLB) franchise of theNational League. The Diamondbacks franchise was formed in the1998 Major League Baseball season as a member of the National League.^[1]Buck Showalter was hired as the first Diamondbacks manager. Showalter served for three (1998–2000) seasons before being replaced after the 2000 season.Al Pedrique,Alan Trammell,A. J. Hinch, andChip Hale are the only managers in the Diamondbacks history to not lead a team into the playoffs, although Trammell and Pedrique did not manage a whole season. Five managers have led the Diamondbacks to the playoffs.

In the 2000 baseball season, the Diamondbacks decided to replace Buck Showalter withBob Brenly. The following year, Brenly led the Diamondbacks to win the2001 World Series.^[2] Brenly has the highest winning percentage for all Diamondback managers along with the most playoff games managed and won. However, after a poor 2003 and start of the 2004 season, Brenly was also released and was replaced byAl Pedrique, the third base coach for the Diamondbacks at the time. His 22 wins in 83 games managed for a .265 winning percentage is the lowest for all Diamondback managers in history.^[3] At the end of that season, the Diamondbacks originally hiredWally Backman as their new manager for the team. Though, after allegations of Backmandriving under the influence, the Diamondbacks decided to instead hire Bob Melvin as their new manager instead of hiring Backman.^[4] Prior to the May 8, 2009 game, the Diamondbacks replaced Melvin withA. J. Hinch, who in turn was fired after the next season; Hinch has the lowest winning percentage for any fulltime Diamondback manager in history (.420).Kirk Gibson managed the next five seasons before being fired in 2014; he was replaced byChip Hale, who managed for two seasons before being let go in 2016.^[5] The current manager of Diamondbacks isTorey Lovullo, who was hired in 2017. During the 2022 season, Lovullo became the all-time winningest and longest tenured Diamondback manager in history.^[6][7]

Statistics are accurate as of the end of the2025 MLB season.

#[a]	Image	Manager	Seasons	G	W	L	Win%	PA	PW	PL	LC	WS	Achievements	Ref
1		Buck Showalter	1998–2000	486	250	236	.514	4	1	3			1999National League West Championship.	[8]
2		Bob Brenly	2001–2004	565	303	262	.536	20	11	9	1	1	2001 & 2002National League West Championship 2001 National League Championship 2001 World Series Championship	[9]
3		Al Pedrique	2004	83	22	61	.265	–	–	–				[10]
4		Bob Melvin	2005–2009	677	337	340	.498	7	3	4			2007National League Manager of Year 2007National League West Championship	[11]
5		A. J. Hinch	2009–2010	212	89	123	.420	–	–	–				[12]
6		Kirk Gibson	2010–2014	728	353	375	.485	5	2	3			2011National League Manager of Year 2011National League West Championship	[13]
7		Alan Trammell	2014	3	1	2	.333	–	–	–				[14]
8		Chip Hale	2015–2016	324	148	176	.457	–	–	–				[15]
9		Torey Lovullo	2017–present	1356	664	692	.490	21	11	10	1		2017National League Manager of Year 2017 & 2023National League Wild Card 2023 National League Championship	[16]

Wally Backman was hired as the Diamondbacks manager on November 1, 2004, but was fired four days later on November 5, 2004, due to off-field issues.

• ^A A running total of the number of managers of the Diamondbacks. Thus any manager who has had two or more terms as manager is only counted once.

• Arizona Diamondbacks managers
• Lists of Major League Baseball managers
• Arizona Diamondbacks lists

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