The New Orleans Saints have the highest opponent passer rating by a team in a season, with a rating of 116.2 in 2015.

which defense allowed the highest passer rating in a single season
2015Saints2021Lions2020Lions2021Colts2021Jaguars2008Lions2018Buccaneers2019Cardinals2020Texans2021Falcons2021Giants2014Redskins2011Vikings1982Oilers2009Lions2016Lions2021Dolphins2020Jaguars201849ers2013Raiders2021Washington1984Vikings2011Colts116.2113.8112.4111.2111.2110.9110.9109.9109.6109.5109.4108.3107.6107.3107.0106.5105.6105.6105.4105.1104.4104.4103.9
TEAMSEASONGPOPP RATEOPP CMPOPP ATTOPP PCTOPP YDSOPP AVGOPP TDOPP TD%OPP INTOPP INT%OPP SCKOPP SCKY
New Orleans SaintsNew Orleans Saints201516116.237254468.44,7558.7458.391.731211
Detroit LionsDetroit Lions20216113.811216567.91,6239.8127.342.413109
Detroit LionsDetroit Lions202016112.438355768.84,7538.5386.871.324195
Indianapolis ColtsIndianapolis Colts20216111.214119671.91,6138.2157.752.61280
Jacksonville JaguarsJacksonville Jaguars20216111.214820372.91,8349.094.421.0847
Detroit LionsDetroit Lions200816110.930344368.43,9078.8255.640.930191
Tampa Bay BuccaneersTampa Bay Buccaneers201816110.938753472.54,3838.2346.491.738232
Arizona CardinalsArizona Cardinals201916109.942160170.04,7858.0386.371.240275
Houston TexansHouston Texans202016109.637754169.74,3258.0305.530.634221
Atlanta FalconsAtlanta Falcons20215109.511717168.41,2887.5116.410.6966
New York GiantsNew York Giants20216109.415320773.91,6538.0146.852.41068
Washington RedskinsWashington Redskins201416108.334551966.54,2318.2356.771.336241
Minnesota VikingsMinnesota Vikings201116107.636753868.24,3618.1346.381.550342
Houston OilersHouston Oilers19829107.317928463.02,4538.6186.331.131240
Detroit LionsDetroit Lions200916107.037154568.14,3998.1356.491.726150
Detroit LionsDetroit Lions201616106.539954972.74,1367.5336.0101.826161
Miami DolphinsMiami Dolphins20216105.615423266.41,8458.0135.620.91190
Jacksonville JaguarsJacksonville Jaguars202016105.637053369.44,3228.1346.4122.31891
San Francisco 49ersSan Francisco 49ers201816105.434454263.53,9597.3356.520.437227
Oakland RaidersOakland Raiders201316105.137454968.14,3527.9336.091.638260
Washington Football TeamWashington Football Team20216104.415824265.31,9047.9166.641.71247
Minnesota VikingsMinnesota Vikings198416104.431949065.13,9548.1357.1112.225175
Indianapolis ColtsIndianapolis Colts201116103.935149371.23,8247.8255.181.629192
Oakland RaidersOakland Raiders201916103.833752664.14,3558.3336.391.732248
New York JetsNew York Jets202016103.241860569.14,5957.6345.6101.731186
Detroit LionsDetroit Lions201816102.732349665.13,8977.9295.871.443298
Washington RedskinsWashington Redskins201916102.537154068.74,0937.6356.5132.446270
Tampa Bay BuccaneersTampa Bay Buccaneers201516102.537854070.04,0727.5315.7112.038232
Cleveland BrownsCleveland Browns20216102.511719659.71,4627.5147.121.018138
Atlanta FalconsAtlanta Falcons201316102.434151666.14,1288.0316.0101.932231
Philadelphia EaglesPhiladelphia Eagles202016102.436453068.74,1227.8275.181.549324
Cleveland BrownsCleveland Browns201716102.336052568.63,8817.4285.371.334197