The centre-back scooped 35% of the votes after his clean sheet-earning display as captain.
Cahill beat goalscorer Jordan Ayew (16%) and fellow defender Patrick van Aanholt (12%) to receive the accolade, which fans can vote on post-match via the official Palace app.
3 Points β
β Gary Cahill (@GaryJCahill) February 29, 2020
Clean Sheet β
Amazing Support β
π¦ πͺ @CPFC pic.twitter.com/YO0KeGHiaI
Cahill helped the Eagles keep out 17 Brighton shots to earn widespread praise from Palace fans for an imperious 90 minutes.
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