Stephen Curry has buried the most threes in an NBA Finals game, with 9 three-pointers against the Cavaliers on June 3, 2018.

most 3pm in a game in finals
Interpreted as:
most 3pm by a player in a game in finals
6/3/2018Curry6/6/2010Allen7/8/2021Booker10/9/2020Robinson6/10/2019Thompson6/8/2018Curry6/12/2017Smith6/9/2017Irving6/10/2016Curry6/14/2015Curry6/9/2015Curry6/11/2013Green6/21/2012Miller6/17/2008Allen6/6/1997Pippen6/7/1995Smith7/11/2021Crowder10/9/2020James6/7/2019Thompson6/5/2019Curry6/5/2019Green6/6/2018Durant6/9/2017Love6/7/2017Thompson6/1/2017Curry9877777777777777666666666
NAMEDATESEASONSERIESTMOPP3PMMINPTSREBASTSTLBLKTOVFGMFGAFG%3PA3P%FTMFTAFT%PF+/-
Stephen CurryStephen Curry6/3/20182017-18NBA FinalsGSWGSWvsCLECLE9383378105112642.31752.922100.03+19
Ray AllenRay Allen6/6/20102009-10NBA FinalsBOSBOS@LALLAL8443232002112055.01172.722100.03+12
Devin BookerDevin Booker7/8/20212020-21NBA FinalsPHXPHXvsMILMIL7443156003122548.01258.3004+10
Duncan RobinsonDuncan Robinson10/9/20202019-20NBA FinalsMIAMIA@LALLAL737265210181553.31353.833100.03+7
Klay ThompsonKlay Thompson6/10/20192018-19NBA FinalsGSWGSW@TORTOR742266410192142.91353.81250.03-6
Stephen CurryStephen Curry6/8/20182017-18NBA FinalsGSWGSW@CLECLE7393764332122744.41546.766100.04+18
JR SmithJR Smith6/12/20172016-17NBA FinalsCLECLE@GSWGSW741253102091181.8887.5010.02-2
Kyrie IrvingKyrie Irving6/9/20172016-17NBA FinalsCLECLEvsGSWGSW7414074103152755.61258.33475.04+7
Stephen CurryStephen Curry6/10/20162015-16NBA FinalsGSWGSW@CLECLE7403856203112544.01353.891090.03+10
Stephen CurryStephen Curry6/14/20152014-15NBA FinalsGSWGSWvsCLECLE7423774205132356.51353.844100.02+24
Stephen CurryStephen Curry6/9/20152014-15NBA FinalsGSWGSW@CLECLE7442766316102050.01353.8002-6
Danny GreenDanny Green6/11/20132012-13NBA FinalsSASSASvsMIAMIA731274022091560.0977.822100.01+23
Mike MillerMike Miller6/21/20122011-12NBA FinalsMIAMIAvsOKCOKC723235010071163.6887.522100.04+14
Ray AllenRay Allen6/17/20082007-08NBA FinalsBOSBOSvsLALLAL732264230181266.7977.833100.00+23
Scottie PippenScottie Pippen6/6/19971996-97NBA FinalsCHICHI@UTAUTA740274411371353.81163.66966.72-11
Kenny SmithKenny Smith6/7/19951994-95NBA FinalsHOUHOU@ORLORL742233900181361.51163.6003
Jae CrowderJae Crowder7/11/20212020-21NBA FinalsPHXPHX@MILMIL63318610106785.7785.7003-11
LeBron JamesLeBron James10/9/20202019-20NBA FinalsLALLALvsMIAMIA64240137304152171.4966.74666.71+7
Klay ThompsonKlay Thompson6/7/20192018-19NBA FinalsGSWGSWvsTORTOR6422832000111861.11060.0003-7
Stephen CurryStephen Curry6/5/20192018-19NBA FinalsGSWGSWvsTORTOR6434787203143145.21442.9131492.91-8
Danny GreenDanny Green6/5/20192018-19NBA FinalsTORTOR@GSWGSW627185111161060.01060.0005+11
Kevin DurantKevin Durant6/6/20182017-18NBA FinalsGSWGSW@CLECLE64343137113152365.2966.777100.03+15
Kevin LoveKevin Love6/9/20172016-17NBA FinalsCLECLEvsGSWGSW629235131171450.0875.033100.02+18
Klay ThompsonKlay Thompson6/7/20172016-17NBA FinalsGSWGSW@CLECLE6413052001111861.11154.522100.04+3
Stephen CurryStephen Curry6/1/20172016-17NBA FinalsGSWGSWvsCLECLE63428610302112250.01154.5003+20
StatMuse has game-level data for three-pointers going back to the 1980 Finals.