Buddha is an avatar (manifestation) of Lord Vishnu.
Lord Gautam Buddha
Some Hindus consider Gautama Buddha to be reincarnation of Lord Vishnu.
the 10 avatars of lord vishnu are matsya Kurma Vahara Narsimha Vamana Parashurama Rama Krishna Buddha Kalki all of these have appeared on earth exept for kalki (the tenth avatar)
which is the mythical vehicle of lord vishnu
Some Hindus believe Gautama Buddha is one of the 10 avatars / reincarnation of Lord Vishnu.
Lord Vishnu is all pervading and omnipotent.
Rama is an avatar of Lord Vishnu. Sita - wife of Rama, is an avatar of Goddess Lakshmi - wife of Lord Vishnu.
Lord Vishnu is married to Goddess Lakshmi.
Rama is the seventh avatar of Lord Vishnu and Sita is the consort of Lord Rama, the seventh avatar (incarnation) of Lord Vishnu
vishnu
Krishna is actually an avatar of the diety lord vishnu who has eleven forms: 1. Vishnu 2. Matsya 3. Kurma 4. Varaha 5. Narasimha 6. Vamana 7. Parashurama 8. Rama 9. Krishna 10. Buddha 11. Kalki
Almost all Hindus believe Lord Vishnu's stories. However, there may be slight differences of opinion between Shaivites and Vaishnavites on the story line. Nevertheless, they both Shaivites and Vaishnavites believe in different versions of Lord Vishnu's stories.