William V of Angoulême, also known as William Taillefer III was the twelfth count of Angoulême.
William V was a fifth generation descendant of Count Arnold of Angoulême. He was born in 1084, the son of Count Fulk of Angoulême and the grandson of Geoffrey of Angoulême and Petronille de Archiac. William III's reign lasted from 1089 until 1118 or 1120.
In 1108 he married Vitapoy de Benauges. They had one son, who succeeded William V as the thirteenth count of Angoulême.
| Preceded by Fulk |
Count of Angoulême 1087–1120 |
Succeeded by Wulgrin II |