JR Smith drained his most threes in a game against the Kings on April 13, 2009, with 11 three-pointers.

jr smith most threes in a game
Interpreted as:
JR Smith most threes in a regular-season game
4/13/2009Smith4/6/2014Smith12/23/2009Smith3/26/2014Smith3/12/2011Smith1/4/2016Smith4/13/2015Smith4/5/2015Smith1/13/2015Smith4/4/2014Smith1/13/2011Smith4/2/2009Smith2/22/2008Smith2/12/2008Smith1/26/2018Smith4/9/2016Smith4/5/2016Smith3/22/2015Smith1/23/2015Smith2/2/2013Smith4/17/2012Smith3/14/2012Smith1110109988888888877777777
NAMEDATETMOPP3PMMINPTSREBASTSTLBLKTOVFGMFGAFG%3PA3P%FTMFTAFT%PF+/-
JR SmithJR Smith4/13/2009
DENDEN
vs
SACSAC
11304541100132259.11861.188100.00+23
JR SmithJR Smith4/6/2014
NYKNYK
@
MIAMIA
10433253202112839.32245.5005-5
JR SmithJR Smith12/23/2009
DENDEN
vs
ATLATL
10304123000152560.01758.81616.71+6
JR SmithJR Smith3/26/2014
NYKNYK
@
SACSAC
9422944012101952.61275.0002+4
JR SmithJR Smith3/12/2011
DENDEN
vs
DETDET
9303143201112250.01656.3000+33
JR SmithJR Smith1/4/2016
CLECLE
vs
TORTOR
830243100081747.11457.1002+13
JR SmithJR Smith4/13/2015
CLECLE
vs
DETDET
8312822011101566.71361.5001+9
JR SmithJR Smith4/5/2015
CLECLE
vs
CHICHI
843244111081747.11747.1003-2
JR SmithJR Smith1/13/2015
CLECLE
@
PHXPHX
8392912400101952.61457.111100.06-10
JR SmithJR Smith4/4/2014
NYKNYK
vs
WASWAS
8433231002122352.21650.0003+11
JR SmithJR Smith1/13/2011
DENDEN
vs
MIAMIA
8272871102101758.81457.1004+11
JR SmithJR Smith4/2/2009
DENDEN
vs
UTAUTA
834282701181457.11361.54666.75+19
JR SmithJR Smith2/22/2008
DENDEN
@
CHICHI
8334351203152560.01457.15862.53+8
JR SmithJR Smith2/12/2008
DENDEN
@
MIAMIA
827281310291656.31457.12366.74+9
JR SmithJR Smith1/26/2018
CLECLE
vs
INDIND
737230040181553.31353.8003+14
JR SmithJR Smith4/9/2016
CLECLE
@
CHICHI
737246410181650.01450.01333.32+8
JR SmithJR Smith4/5/2016
CLECLE
@
MILMIL
726212110171258.31163.6002+18
JR SmithJR Smith3/22/2015
CLECLE
@
MILMIL
737234130281172.7977.8003+17
JR SmithJR Smith1/23/2015
CLECLE
vs
CHACHA
729214400171353.81163.6002+33
JR SmithJR Smith2/2/2013
NYKNYK
vs
SACSAC
722256420091656.31450.0002+36
JR SmithJR Smith4/17/2012
NYKNYK
vs
BOSBOS
736254610181650.01070.022100.03+17
JR SmithJR Smith3/14/2012
NYKNYK
vs
PORPOR
723232200181844.41450.0003+27
JR SmithJR Smith3/13/2010
DENDEN
@
MEMMEM
7283022000111668.81070.01250.02+20
JR SmithJR Smith2/25/2010
DENDEN
@
GSWGSW
732258340281747.11353.822100.02+21
JR SmithJR Smith4/4/2009
DENDEN
vs
LACLAC
7263413201122060.01450.033100.02+24
StatMuse has game-level data for three-pointers going back to the 1979-80 season.