The word(s) "kuffarun" appears 4 time(s) in 4 verse(s) in Quran.

(1) Inna allatheena kafaroo wamatoo wahum kuffarun olaika AAalayhim laAAnatu Allahi waalmalaikati waalnnasi ajmaAAeena

(سورة البقرة, Al-Baqara, Chapter #2, Verse #161)
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(2) Inna allatheena kafaroo wamatoo wahum kuffarun falan yuqbala min ahadihim milo alardi thahaban walawi iftada bihi olaika lahum AAathabun aleemun wama lahum min nasireena

(سورة آل عمران, Aal-i-Imraan, Chapter #3, Verse #91)
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(3) Walaysati alttawbatu lillatheena yaAAmaloona alssayyiati hatta itha hadara ahadahumu almawtu qala innee tubtu alana wala allatheena yamootoona wahum kuffarun olaika aAAtadna lahum AAathaban aleeman

(سورة النساء, An-Nisaa, Chapter #4, Verse #18)
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(4) Inna allatheena kafaroo wasaddoo AAan sabeeli Allahi thumma matoo wahum kuffarun falan yaghfira Allahu lahum

(سورة محمد, Muhammad, Chapter #47, Verse #34)
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