The Tai Lü people (Tai Lue: ᦺᦑᦟᦹᧉ, Chinese: 傣仂, Dǎi lè, Lao: ລື້, Lư̄, Thai: ไทลื้อ, RTGS: Thai Lue, Vietnamese: Người Lự) are an ethnic group of China, Laos, Thailand, Burma and Vietnam.

In China, they are officially recognized as part of the Dai ethnic group.

The 2000 census counted about 280,000 Dai people speaking Lü language.

They had built Tam Vạn wall in Mường Thanh and managed there for 19 generations before Hoàng Công Chất, a Thái leader, came.

The Lu take their father's last name and have the middle name Bạ (for males) and Ý (for females).