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

(1) ثَمَانِيَةَ أَزْوَاجٍ ۖ مِّنَ الضَّأْنِ اثْنَيْنِ وَمِنَ الْمَعْزِ اثْنَيْنِ ۗ قُلْ آلذَّكَرَيْنِ حَرَّمَ أَمِ الْأُنثَيَيْنِ أَمَّا اشْتَمَلَتْ عَلَيْهِ أَرْحَامُ الْأُنثَيَيْنِ ۖ نَبِّئُونِي بِعِلْمٍ إِن كُنتُمْ صَادِقِينَ

(سورة الأنعام, Al-An'aam, Chapter #6, Verse #143)
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(2) خَلَقَكُم مِّن نَّفْسٍ وَاحِدَةٍ ثُمَّ جَعَلَ مِنْهَا زَوْجَهَا وَأَنزَلَ لَكُم مِّنَ الْأَنْعَامِ ثَمَانِيَةَ أَزْوَاجٍ ۚ يَخْلُقُكُمْ فِي بُطُونِ أُمَّهَاتِكُمْ خَلْقًا مِّن بَعْدِ خَلْقٍ فِي ظُلُمَاتٍ ثَلَاثٍ ۚ ذَ‌ٰلِكُمُ اللَّهُ رَبُّكُمْ لَهُ الْمُلْكُ ۖ لَا إِلَـٰهَ إِلَّا هُوَ ۖ فَأَنَّىٰ تُصْرَفُونَ

(سورة الزمر, Az-Zumar, Chapter #39, Verse #6)
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(3) سَخَّرَهَا عَلَيْهِمْ سَبْعَ لَيَالٍ وَثَمَانِيَةَ أَيَّامٍ حُسُومًا فَتَرَى الْقَوْمَ فِيهَا صَرْعَىٰ كَأَنَّهُمْ أَعْجَازُ نَخْلٍ خَاوِيَةٍ

(سورة الحاقة, Al-Haaqqa, Chapter #69, Verse #7)
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(4) وَالْمَلَكُ عَلَىٰ أَرْجَائِهَا ۚ وَيَحْمِلُ عَرْشَ رَبِّكَ فَوْقَهُمْ يَوْمَئِذٍ ثَمَانِيَةٌ

(سورة الحاقة, Al-Haaqqa, Chapter #69, Verse #17)
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