The 2021-22 roster for the Bruins included Patrice Bergeron at center, Brad Marchand at left wing, David Pastrnak at right wing, Charlie McAvoy at defenseman and Jeremy Swayman at goalie.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	54	Jack Ahcan J. Ahcan	D	5'8"	185	5/18/1997	24	Savage, MN
2	37	Patrice Bergeron P. Bergeron	C	6'1"	195	7/24/1985	36	Ancienne-Lorette, Canada
3	81	Anton Blidh A. Blidh	LW	6'0"	201	3/14/1995	26	Molnlycke, Sweden
4	44	Joshua Brown J. Brown	D	6'5"	217	1/21/1994	28	London, Canada
5	25	Brandon Carlo B. Carlo	D	6'5"	212	11/26/1996	25	Colorado Springs, CO
6	75	Connor Clifton C. Clifton	D	5'11"	175	4/28/1995	26	Matawan, NJ
7	13	Charlie Coyle C. Coyle	C	6'3"	220	3/2/1992	29	East Weymouth, MA
8	74	Jake DeBrusk J. DeBrusk	LW	6'0"	188	10/17/1996	25	Edmonton, Canada
9	29	Steven Fogarty S. Fogarty	C	6'3"	208	4/19/1993	28	Chambersburg, PA
10	17	Nick Foligno N. Foligno	LW	6'0"	208	10/31/1987	34	Buffalo, NY
11	28	Derek Forbort D. Forbort	D	6'4"	219	3/4/1992	29	Duluth, MN
12	11	Trent Frederic T. Frederic	C	6'2"	203	2/11/1998	23	St. Louis, MO
13	38	Jesper Froden J. Froden	RW	5'10"	179	9/21/1994	27	Stockholm, Sweden
14	48	Matt Grzelcyk M. Grzelcyk	D	5'9"	174	1/5/1994	28	Charlestown, MA
15	71	Taylor Hall T. Hall	LW	6'1"	205	11/14/1991	30	Calgary, Canada
16	56	Erik Haula E. Haula	LW	6'0"	193	3/23/1991	30	Pori, Finland
17	85	Kyle Keyser K. Keyser	G	6'2"	178	3/8/1999	22	Coral Springs, FL
18	83	Karson Kuhlman K. Kuhlman	RW	5'11"	185	9/26/1995	26	Esko, MN
19	20	Curtis Lazar C. Lazar	C	6'0"	211	2/2/1995	26	Salmon Arm, Canada
20	55	Tyler Lewington T. Lewington	D	6'2"	200	12/5/1994	27	Edmonton, Canada
21	27	Hampus Lindholm H. Lindholm	D	6'3"	208	1/20/1994	28	Helsingborg, Sweden
22	63	Brad Marchand B. Marchand	LW	5'9"	181	5/11/1988	33	Halifax, Canada
23	73	Charlie McAvoy C. McAvoy	D	6'0"	208	12/21/1997	24	Long Beach, NY
24	26	Marc McLaughlin M. McLaughlin	C	6'0"	202	7/26/1999	22	North Billerica, MA
25	27	John Moore J. Moore	D	6'2"	210	11/19/1990	31	Winnetka, IL