Qionghai is one of the seven county-level cities of Hainan province, China. Although called a "city", Qionghai refers to a large land area in Hainan - an area which was once a county. Within this area is the main city, Qionghai City. It is located in the east of the island at the mouth of the Wanquan River, 86 kilometres (53 mi) from the provincial capital of Haikou. It has an area of 1,692 square kilometres (653 sq mi) and in 2010, it had a population of 483,217 people.

The seat of government is at Jiaji (simplified Chinese: 嘉积镇; traditional Chinese: 嘉積鎮; pinyin: Jiājī Zhèn), locally referred to as Kachek city. Bo'ao, seat of the Boao Forum for Asia, belongs to Qionghai.^[1]: 101

The former counties of Qiongdong (postal: Kiungtung) and Lehui (樂㑹, postal: Lokwei) are now part of Qionghai City.

Qionghai has a tropical monsoon climate (Köppen Am).^[2] Monsoonal influences are strong, with a relatively lengthy wet season and a pronounced dry season (January to March). Rainfall is heaviest and most frequent from August to October, when typhoons may strike, and is otherwise still common throughout the year, averaging an annual total of 2,100 mm (83 in); there are 9.3 days with 50 mm (1.97 in) or more of rain. Humidity is consistently very high, with an average relative humidity of 85.8%. With monthly percent possible sunshine ranging from 31% in February to 62% in July, the city receives 1913 hours of bright sunshine annually; the city receives about only a third of possible sunshine from December thru February, while May thru July is the sunniest time of year.

Qionghai is divided into 12 towns:^[6]

The most famous dish of Qionghai is called Kazek Duck.

Qionghai is served by Qionghai Bo'ao Airport.

Qionghai is also well known for being the home of the Red Detachment of Women from the revolutionary model opera which was also adapted into film.^[1]: 102 The Red Detachment of Women Memorial Park in Qionghai was developed in 1998.^[1]: 102 The park includes revolutionary-themed sculpture, a museum, coconut groves, and live performances.^[1]: 102 In 2005, it was recognized as a National Classic Red Tourism Attraction by China National Tourism Administration and other government bodies.^[1]: 102

• Lee Chiaw Meng, served in Prime minister Lee Kuan Yew's cabinet as Minister of Education, Minister of Science and Technology and Member of Parliament.
• Patrick Lee, Billionaire Business entrepreneur magnate and the founder of Lee & Man Paper.
• Pang Chin Hin (冯振轩), entrepreneur, chairman and founder of the well-known food manufacturing company Mamee Double-Decker (M) Sdn Bhd.
• Pang Lim (庞琳), entrepreneur and community figure who founded and currently chairs the Koufu Group Ltd, an F&B establishment operators.
• Wee Meng Chee, rapper, singer-songwriter and filmmaker.

• List of administrative divisions of Hainan