Longjing (simplified Chinese: 龙井; traditional Chinese: 龍井; pinyin: Lóngjǐng; Chosŏn'gŭl: 룡정; Hangul: 룽징) is a county-level city in the Yanbian Korean Autonomous Prefecture, south-eastern Jilin province, China.

It lies on the Tumen River, opposite the North Korean city Hoeryong.

"[3] Longjing is famous for producing rice, Pyrus pyrifolia, Matsutake, red sun-cured tobacco, Yanbian cattle, and fine-wool sheep.

[2] It has the largest orchard in Asia - "万亩果园/10,000 Mu Orchard" (One "mu" is equal to 666.67 m2), the largest bear breeding base in China - "东方熊乐园/Oriental Bear Paradise" and the "吉林天佛指山国家级自然保护区/Jilin Tianfozhishan National Nature Reserve" which aims to protect Matsutake, Pinus densiflora and its ecosystem.

[citation needed] Longjing has two subdistricts, six towns and two townships:[6]