The 1999 Tour de Langkawi was the 4th edition of the Tour de Langkawi, a cycling stage race that took place in Malaysia.

[1] Italian Paolo Lanfranchi won the race, Sergei Ivanov of Russia second and Allan Iacoune of Australia third.

Graeme Miller of New Zealand also won the points classification and Alessandro Petacchi of Italy won the mountains classification of the race.

Mapei–Quick-Step won the team classification of the race.

[1][2] The cyclist competed in 12 stages with a prologue over 12 days, covering a distance of 1,903.3 kilometres.