The 1979-80 roster for the Islanders included Bryan Trottier at center, Clark Gillies at left wing, Mike Bossy at right wing, Denis Potvin at defenseman and Glenn Resch at goalie.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Mike Bossy M. Bossy	RW	6'0"	186	1/22/1957	23	Montreal, Canada
2	Bob Bourne B. Bourne	C	6'3"	200	6/21/1954	25	Kindersley, Canada
3	Richard Brodeur R. Brodeur	G	5'6"	185	9/15/1952	27	Longueuil, Canada
4	Clark Gillies C. Gillies	LW	6'3"	215	4/7/1954	25	Moose Jaw, Canada
5	Butch Goring B. Goring	C	5'9"	170	10/22/1949	30	St. Boniface, Canada
6	Billy Harris B. Harris	RW	6'0"	195	1/29/1952	28	Toronto, Canada
7	Lorne Henning L. Henning	C	5'11"	185	2/22/1952	27	Melfort, Canada
8	Mike Hordy M. Hordy	D	5'10"	180	11/10/1956	23	Thunder Bay, Canada
9	Garry Howatt G. Howatt	LW	5'9"	175	9/26/1952	27	Grand Center, Canada
10	Randy Johnston R. Johnston	D	6'0"	190	6/2/1958	21	Brampton, Canada
11	Anders Kallur A. Kallur	RW	5'11"	185	7/6/1952	27	Ludvika, Sweden
12	Mike Kaszycki M. Kaszycki	C	5'9"	190	2/27/1956	23	Milton, Canada
13	Gord Lane G. Lane	D	6'1"	190	3/31/1953	26	Brandon, Canada
14	Dave Langevin D. Langevin	D	6'2"	200	5/15/1954	25	St. Paul, MN
15	Dave Lewis D. Lewis	D	6'2"	205	7/3/1953	26	Kindersley, Canada
16	Bob Lorimer B. Lorimer	D	6'0"	200	8/25/1953	26	Toronto, Canada
17	Garth Macguigan G. Macguigan	C	6'0"	189	2/16/1956	23	Charlottetown, Canada
18	Alex McKendry A. McKendry	LW	6'3"	200	11/21/1956	23	Midland, Canada
19	Wayne Merrick W. Merrick	C	6'0"	196	4/23/1952	27	Sarnia, Canada
20	Ken Morrow K. Morrow	D	6'5"	205	10/17/1956	23	Davison, MI
21	Bobby Nystrom B. Nystrom	RW	6'2"	200	10/10/1952	27	Stockholm, Sweden
22	Stefan Persson S. Persson	D	6'0"	189	12/22/1954	25	Bjurholm, Sweden
23	Denis Potvin D. Potvin	D	6'0"	205	10/29/1953	26	Ottawa, Canada
24	Jean Potvin J. Potvin	D	5'10"	187	3/25/1949	30	Hull, Canada
25	Glenn Resch G. Resch	G	5'8"	165	7/10/1948	31	Moose Jaw, Canada