LeBron James played the most minutes for the Heat in the 2011 playoffs, with 922 minutes on the court.

most minutes played by miami players in 2011 playoffs
2010-11James2010-11Bosh2010-11Wade2010-11Anthony2010-11Chalmers2010-11Bibby2010-11Haslem2010-11Jones2010-11Miller2010-11Ilgauskas2010-11Howard2010-11House2010-11Magloire922834828575511415290272215104604818
NAMESEASONTMGPMINMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%PTSREBASTSTLBLKTOVPF+/-
LeBron JamesLeBron James2010-11MIAMIA2192243.923.78.45.91.71.23.18.317.846.61.44.035.35.77.476.349717612335256656+29
Chris BoshChris Bosh2010-11MIAMIA2183439.718.68.51.10.70.91.96.613.947.40.00.20.05.46.781.43901782314194048+68
Dwyane WadeDwyane Wade2010-11MIAMIA2182839.424.57.14.41.61.33.08.617.848.50.72.526.96.68.577.75151509234286453+46
Joel AnthonyJoel Anthony2010-11MIAMIA2157527.42.84.60.50.41.80.60.92.336.70.00.01.01.571.05897108381354+67
Mario ChalmersMario Chalmers2010-11MIAMIA2151124.37.81.92.11.30.01.32.65.943.51.54.038.11.11.571.916340442712848+79
Mike BibbyMike Bibby2010-11MIAMIA2041520.83.71.81.20.60.30.91.44.828.10.93.325.80.10.250.07336231161730-39
Udonis HaslemUdonis Haslem2010-11MIAMIA1229024.25.34.50.80.50.30.92.35.739.70.00.00.80.890.063549641131+12
James JonesJames Jones2010-11MIAMIA1227222.76.52.50.20.50.20.32.04.347.11.43.145.91.11.1100.07830262424+62
Mike MillerMike Miller2010-11MIAMIA1821511.92.62.70.70.40.10.41.02.934.00.62.129.70.00.047491371826+40
Zydrunas IlgauskasZydrunas Ilgauskas2010-11MIAMIA910411.63.63.60.30.00.31.01.63.346.70.00.00.40.766.73232303916-64
Juwan HowardJuwan Howard2010-11MIAMIA11605.51.50.90.10.00.00.20.40.844.40.00.00.81.269.2171010028-7
Eddie HouseEddie House2010-11MIAMIA7486.91.60.70.10.60.00.60.62.423.50.41.430.00.00.0115140460
Jamaal MagloireJamaal Magloire2010-11MIAMIA3186.01.31.70.70.30.00.30.71.740.00.00.00.00.04521014-13
StatMuse has season-level data for minutes played going back to the 1952 playoffs.