The 2021-22 roster for the Islanders included Mathew Barzal at center, Anders Lee at left wing, Josh Bailey at right wing, Noah Dobson at defenseman and Ilya Sorokin at goalie.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	25	Sebastian Aho S. Aho	D	5'11"	177	2/17/1996	25	Umea, Sweden
2	56	Andy Andreoff A. Andreoff	C	6'1"	203	5/17/1991	30	Pickering, Canada
3	12	Josh Bailey J. Bailey	RW	6'1"	200	10/2/1989	32	Bowmanville, Canada
4	13	Mathew Barzal M. Barzal	C	6'0"	187	5/26/1997	24	Coquitlam, Canada
5	18	Anthony Beauvillier A. Beauvillier	LW	5'11"	182	6/8/1997	24	Sorel-Tracy, Canada
6	20	Kieffer Bellows K. Bellows	LW	6'1"	195	6/10/1998	23	Edina, MN
7	33	Zdeno Chara Z. Chara	D	6'9"	250	3/18/1977	44	Trencin, Slovakia
8	53	Casey Cizikas C. Cizikas	C	5'11"	195	2/27/1991	30	Toronto, Canada
9	15	Cal Clutterbuck C. Clutterbuck	RW	5'11"	216	11/18/1987	34	Welland, Canada
10	10	Austin Czarnik A. Czarnik	C	5'9"	170	12/12/1992	29	Detroit, MI
11	28	Michael Dal Colle M. Dal Colle	LW	6'3"	204	6/20/1996	25	Woodbridge, Canada
12	8	Noah Dobson N. Dobson	D	6'4"	184	1/7/2000	22	Summerside, Canada
13	4	Andy Greene A. Greene	D	5'11"	190	10/30/1982	39	Trenton, MI
14	2	Thomas Hickey T. Hickey	D	6'0"	183	2/8/1989	32	Calgary, Canada
15	7	Grant Hutton G. Hutton	D	6'3"	205	7/25/1995	26	Carmel, IN
16	32	Ross Johnston R. Johnston	LW	6'5"	235	2/18/1994	27	Charlottetown, Canada
17	36	Otto Koivula O. Koivula	LW	6'4"	219	9/1/1998	23	Nokia, Finland
18	47	Leo Komarov L. Komarov	RW	5'11"	209	1/23/1987	35	Narva, Estonia
19	34	Paul LaDue P. LaDue	D	6'2"	200	9/6/1992	29	Grand Forks, ND
20	27	Anders Lee A. Lee	LW	6'3"	231	7/3/1990	31	Edina, MN
21	17	Matt Martin M. Martin	LW	6'3"	220	5/8/1989	32	Windsor, Canada
22	24	Scott Mayfield S. Mayfield	D	6'5"	223	10/14/1992	29	St. Louis, MO
23	29	Brock Nelson B. Nelson	C	6'3"	212	10/15/1991	30	Warroad, MN
24	44	Jean-Gabriel Pageau J. Pageau	C	5'10"	180	11/11/1992	29	Ottawa, Canada
25	21	Kyle Palmieri K. Palmieri	RW	5'11"	185	2/1/1991	31	Smithtown, NY