1. Matsya (the fish)
Unmarried
2. Koorma (the tortoise)
Unmarried
3. Varaha (the boar)
Unmarried
Though there is no actual marriage here, Bhoomidevi (Earth personified) is considered as Varaha's consort. There are several temples (in Tamilnadu at least) that depict Varahaswamy carrying Bhoomidevi in his lap.
4. Narasimha (the human-lion)
Unmarried
There is no specific marriage in this Avatar as well. However, the more popular form of worship is Lakshmi Narasimha, where Lord Narasimha is seen together with Sri Mahalakshmi in his left lap.
5. Vamana (the dwarf)
Unmarried
6. Parasurama (the angry man, Rama with an axe)
Unmarried
7. Lord Rama (the perfect man, king of Ayodhya)
Sita
8. Lord Krishna (the divine statesman)
Rukmini, Satyabhama and countless others (16,000)
9.Buddha
Yasodhara
10.Kalki
Vaishnavi is destined to marry him.