The word(s) "لَيْتَنِي" appears in 8 verse(s) in Quran.

(1) وَلَئِنْ أَصَابَكُمْ فَضْلٌ مِّنَ اللَّهِ لَيَقُولَنَّ كَأَن لَّمْ تَكُن بَيْنَكُمْ وَبَيْنَهُ مَوَدَّةٌ يَا لَيْتَنِي كُنتُ مَعَهُمْ فَأَفُوزَ فَوْزًا عَظِيمًا

(سورة النساء, An-Nisaa, Chapter #4, Verse #73)
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(2) وَأُحِيطَ بِثَمَرِهِ فَأَصْبَحَ يُقَلِّبُ كَفَّيْهِ عَلَىٰ مَا أَنفَقَ فِيهَا وَهِيَ خَاوِيَةٌ عَلَىٰ عُرُوشِهَا وَيَقُولُ يَا لَيْتَنِي لَمْ أُشْرِكْ بِرَبِّي أَحَدًا

(سورة الكهف, Al-Kahf, Chapter #18, Verse #42)
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(3) فَأَجَاءَهَا الْمَخَاضُ إِلَىٰ جِذْعِ النَّخْلَةِ قَالَتْ يَا لَيْتَنِي مِتُّ قَبْلَ هَـٰذَا وَكُنتُ نَسْيًا مَّنسِيًّا

(سورة مريم, Maryam, Chapter #19, Verse #23)
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(4) وَيَوْمَ يَعَضُّ الظَّالِمُ عَلَىٰ يَدَيْهِ يَقُولُ يَا لَيْتَنِي اتَّخَذْتُ مَعَ الرَّسُولِ سَبِيلًا

(سورة الفرقان, Al-Furqaan, Chapter #25, Verse #27)
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(5) يَا وَيْلَتَىٰ لَيْتَنِي لَمْ أَتَّخِذْ فُلَانًا خَلِيلًا

(سورة الفرقان, Al-Furqaan, Chapter #25, Verse #28)
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(6) وَأَمَّا مَنْ أُوتِيَ كِتَابَهُ بِشِمَالِهِ فَيَقُولُ يَا لَيْتَنِي لَمْ أُوتَ كِتَابِيَهْ

(سورة الحاقة, Al-Haaqqa, Chapter #69, Verse #25)
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(7) إِنَّا أَنذَرْنَاكُمْ عَذَابًا قَرِيبًا يَوْمَ يَنظُرُ الْمَرْءُ مَا قَدَّمَتْ يَدَاهُ وَيَقُولُ الْكَافِرُ يَا لَيْتَنِي كُنتُ تُرَابًا

(سورة النبإ, An-Naba, Chapter #78, Verse #40)
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(8) يَقُولُ يَا لَيْتَنِي قَدَّمْتُ لِحَيَاتِي

(سورة الفجر, Al-Fajr, Chapter #89, Verse #24)
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