Michael Jordan had the most games in the playoffs with 45+ points, with 23 games.

most 45 point playoff games in nba career
Interpreted as:
most 45 or more point playoff games by a player in NBA career
JordanJamesChamberlainIversonWestDurantBryantBaylorWestbrookMitchellNowitzkiOlajuwonMurrayLeonardLillardAllenO'NealBarkleyWilkinsKingAbdul-JabbarBarryJonesAntetokounmpoYoung231187655543332222222222211
NAMEGPPTSMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINREBASTSTLBLKTOVPF+/-
Michael JordanMichael Jordan231,13644.049.46.34.72.21.03.218.132.456.01.22.842.212.014.085.41,01314410851247378+12
LeBron JamesLeBron James1151644.846.99.06.52.00.52.816.827.660.92.75.747.610.514.174.849399712263132+73
Wilt ChamberlainWilt Chamberlain839247.049.027.92.420.937.555.77.316.444.33762231921
Allen IversonAllen Iverson734546.649.34.05.92.40.13.417.733.453.04.18.350.09.711.187.232628411712414+62
Jerry WestJerry West629248.74.37.818.037.747.812.714.289.4264721
Kevin DurantKevin Durant523846.847.68.26.61.41.02.215.228.453.55.011.244.612.213.292.42344133751116+16
Kobe BryantKobe Bryant523746.947.48.85.41.60.84.017.430.457.22.84.660.99.811.089.12344427842017+31
Elgin BaylorElgin Baylor524949.818.213.416.481.722
Russell WestbrookRussell Westbrook418942.847.311.58.51.50.35.316.839.842.14.814.333.39.011.876.61714634612114+32
Donovan MitchellDonovan Mitchell315339.451.05.36.30.70.34.016.730.055.65.312.343.212.313.094.9118161921124-1
Dirk NowitzkiDirk Nowitzki314443.848.09.33.00.71.71.714.022.761.83.03.781.817.017.796.21312892557+44
Hakeem OlajuwonHakeem Olajuwon314045.746.713.74.02.75.03.318.331.059.10.30.750.09.713.770.713741128151011
Jamal MurrayJamal Murray210043.150.08.06.50.00.52.517.527.563.69.013.566.76.07.085.78616130157+17
Kawhi LeonardKawhi Leonard29040.045.08.52.52.00.53.017.024.070.84.08.050.07.07.593.3801754162+34
Damian LillardDamian Lillard210548.552.56.58.02.02.03.517.028.559.611.017.562.97.59.083.39713164472+11
Ray AllenRay Allen29651.948.04.54.53.51.03.017.530.058.37.516.046.95.56.091.7104997261+23
Shaquille O'NealShaquille O'Neal29240.546.014.01.51.53.51.519.030.063.30.00.08.011.569.6812833738+39
Charles BarkleyCharles Barkley210343.551.513.03.02.51.53.019.528.568.43.56.058.39.011.081.8872665367
Dominique WilkinsDominique Wilkins29743.048.55.03.00.50.03.019.030.562.30.51.050.010.012.083.3861061062
Bernard KingBernard King29239.546.08.03.01.00.53.518.531.059.70.00.09.012.572.0791662178
Kareem Abdul-JabbarKareem Abdul-Jabbar29145.545.521.52.52.01.017.032.053.111.516.569.791435217
Rick BarryRick Barry210245.551.011.05.519.543.045.312.016.075.09122117
Sam JonesSam Jones29842.049.05.51.018.528.564.912.014.582.8841127
Giannis AntetokounmpoGiannis Antetokounmpo15042.550.014.02.00.05.06.016.025.064.01.03.033.317.019.089.5421420562+10
Trae YoungTrae Young14841.148.07.011.01.00.06.017.034.050.04.013.030.810.012.083.3417111063+10