Long Khánh is a city of Đồng Nai Province in the Southeast region of Vietnam. It covers an area of 194 km² and had a population of 151,467 in 2019.

Long Khánh city's predecessor was Long Khánh town, which founded in 2003. It was recognized as a city in 2019.

Long Khánh is located entirely in Đồng Nai territory. It shares borders with:

• Xuân Lộc district to the east
• Thống Nhất district to the west
• Cẩm Mỹ district to the south
• Xuân Lộc district, Thống Nhất district and Định Quán district to the North

Long Khánh has 15 divisions (11 wards and 4 commune), include:

• Ward: Xuân An, Xuân Bình, Xuân Hòa, Xuân Trung, Xuân Thanh, Phú Bình, Bảo Vinh, Suối Tre, Xuân Lập, Bàu Sen, Xuân Tân
• Commune: Bảo Quang, Hàng Gòn, Bình Lộc, Bàu Trâm.

• Saint Joseph Great Seminary of Xuân Lộc is the seventh major seminary of the Catholic Church in Vietnam
• Cathedral of Christ the King (Cathedral of Long Khánh)
• Monument of Victory
• Hang Gon dolmen tomb (Hàng Gòn, Long Khánh)
• Chua Chan mountain (Xuân Lộc, Long Khánh)

10°55′01″N 107°10′01″E / 10.917°N 107.167°E / 10.917; 107.167