HMS Janus was the lead ship of the Janus-class destroyers which served with the Royal Navy.

She was launched by Palmers in 1895, served on the Chinese station for much of her career and was sold off in 1912.

Janus was commissioned at Chatham on 27 March 1900 by Lieutenant Robert Gwynne Corbett,[1] who was in command during her trip to the China station, where she was to serve as tender to HMS Goliath.

[2] She served on that station for most of her career.

She underwent repairs to re-tube her Reed boilers in 1902.