The 2023 pitchers for the Astros included Bryan Abreu, Brandon Bielak, Ronel Blanco, Hunter Brown and Shawn Dubin.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	52	Bryan Abreu B. Abreu	P	6'1"	225	4/22/1997	26	Santo Domingo Centro, Dominican Republic
2	64	Brandon Bielak B. Bielak	P	6'2"	208	4/2/1996	27	Edison, NJ
3	56	Ronel Blanco R. Blanco	P	6'0"	180	8/31/1993	29	Santiago, Dominican Republic
4	58	Hunter Brown H. Brown	P	6'2"	212	8/29/1998	24	Detroit, MI
5	66	Shawn Dubin S. Dubin	P	6'1"	171	9/6/1995	27	Allegany, NY
6	68	J.P. France	P	6'0"	216	4/4/1995	28	New Orleans, LA
7	91	Matt Gage M. Gage	P	6'3"	265	2/11/1993	30	Johnstown, NY
8	77	Luis Garcia L. Garcia	P	6'1"	244	12/13/1996	26	Bolivar, Venezuela
9	31	Kendall Graveman K. Graveman	P	6'2"	200	12/21/1990	32	Tallapoosa County, AL
10	39	Josh James J. James	P	6'3"	206	3/8/1993	30	Hollywood, FL
11	53	Cristian Javier C. Javier	P	6'1"	213	3/26/1997	26	Santo Domingo, Dominican Republic
12	60	Joel Kuhnel J. Kuhnel	P	6'4"	280	2/19/1995	28	Goldsboro, NC
13	61	Seth Martinez S. Martinez	P	6'2"	200	8/29/1994	28	Peoria, AZ
14	88	Phil Maton P. Maton	P	6'2"	206	3/25/1993	30	Paducah, KY
15	43	Lance McCullers Jr. L. McCullers Jr.	P	6'1"	202	10/2/1993	29	Tampa, FL
16	47	Rafael Montero R. Montero	P	6'0"	190	10/17/1990	32	Higuerito, Dominican Republic
17	67	Parker Mushinski P. Mushinski	P	6'0"	218	11/22/1995	27	Arlington, TX
18	50	Héctor Neris H. Neris	P	6'2"	227	6/14/1989	34	Villa Altagracia, Dominican Republic
19	62	Oliver Ortega O. Ortega	P	6'0"	165	10/2/1996	26	Nagua, Dominican Republic
20	48	Enoli Paredes E. Paredes	P	5'11"	168	9/28/1995	27	El Limon, Dominican Republic
21	55	Ryan Pressly R. Pressly	P	6'2"	206	12/15/1988	34	Dallas, TX
22	62	Bennett Sousa B. Sousa	P	6'3"	220	4/6/1995	28	North Palm Beach, FL
23	45	Ryne Stanek R. Stanek	P	6'4"	226	7/26/1991	31	St. Louis, MO
24	62	Blake Taylor B. Taylor	P	6'2"	220	8/17/1995	27	Orange, CA
25	65	José Urquidy J. Urquidy	P	6'0"	217	5/1/1995	28	Mazatlan, Mexico