Lam Tin is an area in the Kwun Tong District in southeastern New Kowloon, Hong Kong. Lam Tin is primarily a residential area but also hosts a major transport interchange and several shopping attractions. Lam Tin was once a large field in the vicinity of Kowloon Bay. During the Song dynasty, it was a site of salt production. Since the 1980s, a number of housing estates were constructed in Lam Tin.

Kwun Tong is one of the 18 districts of Hong Kong. It is located in Kowloon, and is the easternmost and southernmost district in Kowloon. It had a population of 648,541 in 2016. The district has the second highest population in Hong Kong, after Sha Tin District, while the income is below average. Kwun Tong District borders Sai Kung District to the east, Wong Tai Sin District to the north, and Kowloon City District to the west. To the south is Victoria Harbour, and the Eastern District directly across on Hong Kong Island.