Hazrat Ali married nine wives in all including Hazrat Fatima. The number of wives at a time however did not exceed four.
1 - Hazrat Fatimah Bint Mohammad [May Allah be pleased with her]
2 - Umm-ul-Bunian Bint Haram Bin Kalabia who was the daughter of Hazam b. Khalid.
3 - Laila Bint Masood Bint Khalid Nehshaliya Tameema who was the daughter of Masud.
4 - Asma who was the daughter of Umais.
5 - Umama [her mother Zainab was the daughter of Prophet Mohammad - PBUH]
6 - Khaula Bint Jafariya was the daughter of Jafar Hanfiyah
7 - Sehba Bint Rabia Taghlibiya who was the daughter of Rabiah
8 - Umm Saeed Bint Urwa Bin Masood Thaqeefa who was a daughter of Urwa
9 - Mukhbita Bint Amral Qais Bin Adi Al Kalbiya Muhyat was a daughter of the famous Arab poet Imra-ul-Qais.