William Taillefer may refer to: William Taillefer I (died 962), first to be called William Taillefer William II of Angoulême (died 1028), William Taillefer II William V of Angoulême (died 1120), William Taillefer III William VI of Angoulême (died 1179), William Taillefer IV William VII of Angoulême (died 1186), William Taillefer V William III, Count of Toulouse (975–1037) See also Taillefer (disambiguation)