There were 4 Egyptian pharaohs with this name. They belonged to the 18th dynasty and their Greek name was Amenophis.
Amenhotep I : ruled in the 16 century BC. He fought wars in Nubia and Libya.
Amenhotep II: ruledin the 15th centuryBC. He was the son of Hatsepsut (queen) and Tuthmosis III. He fought successfully in Syria and the Middle East.
Amenhotep III: ruled in the 15-14th century BC. His reign was generally peaceful ; he had many grandiuous buldings built in Thebes e.g. The Colossi of Memnon and the Luxor Temple.
Amenhotep IV: he was who changed his name into Aknenaten, when he replaced religion of Amon with a monotheistic (!) religion of Aten.