Six ships of the Royal Navy have borne the name HMS Astraea, HMS Astree or HMS Astrea, after the figure of Astraea in Greek mythology:

• HMS Astraea (1739) was a storeship, formerly a Spanish ship captured in 1739. She was burnt by accident in 1743.
• HMS Astraea (1781) was a 32-gun fifth rate launched in 1781 and wrecked on the Anegada Reefs in the Virgin Islands in 1808.
• HMS Astraea (1810) was a 36-gun fifth rate launched in 1810, on harbour service from 1823 and broken up in 1851.
• HMS Astree (1810) was a 38-gun fifth rate, formerly a French ship captured in 1810. She was renamed HMS Pomone in 1811 and was broken up in 1816.
• HMS Astrea was a wooden screw frigate ordered in 1861, but canceled in 1863.
• HMS Astraea (1893) was an Astraea-class cruiser launched in 1893 and sold in 1920. She was then resold and finally broken up in Germany.

Battle honours

Ships named Astraea have earned the following battle honours:

• Groix Island, 1795
• Gloire, 1795
• St Lucia, 1796
• Egypt, 1801
• Tamatave, 1811
• Cameroons, 1914