Tang Long or Tang Lung may refer to:

Tang Long (Water Margin), a fictional character in the Water Margin. Tang Lung, a character played by Bruce Lee in the film Way of the Dragon. Tang Long, a character played by Donnie Yen in the film Dragon. The TangLong, a 3x3x3 twisty puzzle cube model made by MoYu. Thang Long, a brand of Vietnamese cigarettes.