Katie Smith has posted the most points by a player off the bench in a game, with 46 points against the Sparks on July 8, 2001.

Interpreted as:

most points by a player in a regular-season game off the bench

	NAME	PTS	DATE	TM		OPP	MIN	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Katie Smith K. Smith	46	7/8/2001	MIN	@	LAS	45	3	4	0	0	11	23	47.8	6	10	60.0	18	19	94.7	73.3	0	3	1	4	-5
2	DeWanna Bonner D. Bonner	38	6/18/2016	PHX	vs	DAL	45	6	2	3	0	12	23	52.2	4	8	50.0	10	12	83.3	67.2	2	4	5	3	-5
3	Angel McCoughtry A. McCoughtry	36	7/31/2011	ATL	@	CON	30	4	3	1	0	14	27	51.9	1	6	16.7	7	9	77.8	58.1	1	3	3	4	+3
4	Kia Nurse K. Nurse	34	6/2/2018	NYL	@	IND	40	9	4	2	1	8	16	50.0	3	8	37.5	15	16	93.8	73.8	3	6	4	2	+10
5	Angel McCoughtry A. McCoughtry	34	8/20/2009	ATL	vs	SAN	29	7	4	3	1	12	18	66.7	0	2	0.0	10	17	58.8	66.7	3	4	2	5	+17
6	Angel McCoughtry A. McCoughtry	33	8/29/2015	ATL	vs	CHI	31	11	2	3	2	12	24	50.0	1	4	25.0	8	12	66.7	56.4	6	5	1	2	+10
7	Renee Montgomery R. Montgomery	33	8/3/2010	CON	@	MIN	37	4	4	0	0	13	29	44.8	3	12	25.0	4	4	100.0	53.6	0	4	3	5	+13
8	Kelsey Plum K. Plum	32	6/15/2021	LVA	vs	NYL	30	5	2	2	0	11	16	68.8	3	6	50.0	7	7	100.0	83.9	2	3	2	2	+27
9	Danielle Adams D. Adams	32	6/11/2011	SAN	vs	ATL	20	7	1	0	1	11	19	57.9	5	11	45.5	5	5	100.0	75.5	2	5	0	1	+12
10	Monica Wright M. Wright	32	6/1/2010	MIN	vs	PHX	26	1	2	0	1	12	23	52.2	6	10	60.0	2	2	100.0	67.0	0	1	0	0	+11
11	Monique Currie M. Currie	31	5/14/2017	SAN	@	WAS	30	6	0	2	1	9	13	69.2	3	4	75.0	10	10	100.0	89.1	0	6	3	3	-10
12	Angel McCoughtry A. McCoughtry	31	6/15/2012	ATL	vs	LAS	25	4	3	4	1	11	18	61.1	4	5	80.0	5	7	71.4	73.5	0	4	3	1	+31
13	Jia Perkins J. Perkins	31	6/24/2011	SAN	vs	LAS	35	8	3	0	1	13	18	72.2	4	7	57.1	1	1	100.0	84.1	2	6	0	1	+24
14	Diana Taurasi D. Taurasi	31	8/27/2005	PHX	@	SEA	40	8	6	0	0	11	25	44.0	1	6	16.7	8	8	100.0	54.3	3	5	4	3	-11
15	Diamond DeShields D. DeShields	30	9/19/2021	CHI	vs	IND	23	7	6	2	1	8	13	61.5	1	2	50.0	13	16	81.3	74.9	1	6	4	3	+11
16	Kelsey Plum K. Plum	30	9/13/2021	LVA	vs	DAL	28	3	5	0	0	9	12	75.0	5	7	71.4	7	7	100.0	99.5	0	3	1	2	+13
17	Angel McCoughtry A. McCoughtry	30	9/7/2012	ATL	@	MIN	36	9	1	0	0	12	21	57.1	2	5	40.0	4	5	80.0	64.7	7	2	4	5	-2
18	Allie Quigley A. Quigley	29	7/8/2016	CHI	vs	NYL	30	0	3	1	0	10	17	58.8	6	9	66.7	3	3	100.0	79.1	0	0	2	1	+11
19	Katie Smith K. Smith	29	8/13/2001	MIN	@	HOU	38	3	1	2	0	11	20	55.0	4	7	57.1	3	3	100.0	68.0	2	1	4	3	-14
20	Marina Mabrey M. Mabrey	28	7/2/2021	DAL	vs	CHI	28	3	5	1	0	9	15	60.0	5	8	62.5	5	6	83.3	79.4	0	3	3	3	+11
21	Marina Mabrey M. Mabrey	28	6/19/2021	DAL	vs	MIN	18	4	2	1	0	9	13	69.2	5	8	62.5	5	5	100.0	92.1	0	4	3	4	+5
22	Satou Sabally S. Sabally	28	8/25/2020	DAL	vs	LVA	27	11	2	0	3	7	15	46.7	4	9	44.4	10	13	76.9	67.6	5	6	2	4	+9
23	Rebecca Allen R. Allen	28	8/13/2019	NYL	vs	MIN	29	4	0	0	0	11	15	73.3	6	7	85.7	0	0		93.3	2	2	1	2	-5
24	Brianna Kiesel B. Kiesel	28	9/13/2015	TUL	vs	PHX	34	0	5	4	0	9	19	47.4	2	4	50.0	8	10	80.0	59.8	0	0	3	1	+4
25	Riquna Williams R. Williams	28	6/16/2013	TUL	vs	PHX	26	4	1	1	0	9	17	52.9	6	7	85.7	4	5	80.0	72.9	2	2	1	6	-6