The 2023-24 roster for the Senators included Matthew Andonovski, Josh Bailey, Drake Batherson, Owen Beckner and Jacob Bernard-Docker.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1		Matthew Andonovski M. Andonovski	D	6'2"	200	3/14/2005	18	Markham, Canada
2		Josh Bailey J. Bailey	RW	6'1"	200	10/2/1989	34	Bowmanville, Canada
3	19	Drake Batherson D. Batherson	RW	6'3"	200	4/27/1998	25	Fort Wayne, IN
4		Owen Beckner O. Beckner	C	6'2"	175	2/27/2005	18	Victoria, Canada
5	24	Jacob Bernard-Docker J. Bernard-Docker	D	6'0"	190	6/30/2000	23	Canmore, Canada
6	54	Tyler Boucher T. Boucher	RW	6'1"	205	1/16/2003	21	Scottsdale, AZ
7	26	Erik Brännström E. Brännström	D	5'10"	185	9/2/1999	24	Eksjo, Sweden
8	72	Thomas Chabot T. Chabot	D	6'2"	195	1/30/1997	27	Sainte-Marie, Canada
9	49	Rourke Chartier R. Chartier	C	5'11"	190	4/3/1996	27	Saskatoon, Canada
10	6	Jakob Chychrun J. Chychrun	D	6'2"	220	3/31/1998	25	Boca Raton, FL
11		Connor Clattenburg C. Clattenburg	C	6'4"	195	5/2/2005	18	Ottawa, Canada
12	59	Angus Crookshank A. Crookshank	LW	5'10"	181	10/2/1999	24	North Vancouver, Canada
13	41	Josh Currie J. Currie	RW	5'10"	172	10/29/1992	31	Charlottetown, Canada
14	92	Philippe Daoust P. Daoust	C	6'0"	151	11/5/2001	22	Barrie, Canada
15	56	Jorian Donovan J. Donovan	D	6'1"	182	4/5/2004	19	Calgary, Canada
16	57	Tarun Fizer T. Fizer	RW	5'11"	168	3/1/2001	22	Chestermere, Canada
17	31	Anton Forsberg A. Forsberg	G	6'3"	193	11/27/1992	31	Harnosand, Sweden
18	28	Claude Giroux C. Giroux	RW	5'11"	190	1/12/1988	36	Hearst, Canada
19	71	Ridly Greig R. Greig	C	6'1"	183	8/8/2002	21	Lethbridge, Canada
20	50	Maxence Guenette M. Guenette	D	6'1"	181	4/28/2001	22	L'Ancienne-Lorette, Canada
21		Tomas Hamara T. Hamara	D	6'0"	185	3/9/2004	19	Prague, Czech Republic
22	23	Travis Hamonic T. Hamonic	D	6'1"	200	8/16/1990	33	St. Malo, Canada
23	29	Dillon Heatherington D. Heatherington	D	6'4"	215	5/9/1995	28	Calgary, Canada
24	15	Matthew Highmore M. Highmore	C	5'11"	188	2/27/1996	27	Halifax, Canada
25	20	Bokondji Imama B. Imama	LW	6'1"	221	8/3/1996	27	Montreal, Canada