Nelson Street (Chinese: 奶路臣街) is a street in Mong Kok, Kowloon, Hong Kong. The street is 240 metres in length and runs in the east-west direction. It can be accessed from exits E1 and E2 of the Mong Kok Station. The section between Portland and Sai Yeung Choi South Street is closed to vehicular traffic.
The street was named after Horatio Nelson, 1st Viscount Nelson, a British flag officer in the Royal Navy.