Two ships of the Canadian Pacific Steamship Company were named RMS Empress of China in 1921:
was briefly the Empress of China in 1921. She was a 17,500-gross ton ship built for the Norddeutscher Lloyd Line

Norddeutscher Lloyd

Norddeutsche Lloyd was a German shipping company. It was founded by Hermann Henrich Meier and Eduard Crüsemann in Bremen on February 20, 1857. It developed into one of the most important German shipping companies of the late 19th and early 20th centuries, and was instrumental in the economic...

 and launched in 1907 from Geestemunde, Bremenhaven, Germany as the SS Prince Freidrich Wilhelm. She was renamed Empress of India later in 1921 and was scrapped in 1929.

• RMS Empress of Australia was briefly the Empress of China in 1921. She was a 21,860-gross ton ship built for the Hamburg-America Line and launched in 1913 from Stettin, Germany, as the SS Tirpitz. She was renamed Empress of Australia later in 1922 and was scrapped in 1952.