HMS Zebra, was an 18-gun Cruizer-class brig-sloop of the Royal Navy. She was built of teak in the East India Company's Bombay Dockyard and launched in 1815 as the last of her class. She chased pirates in the Mediterranean, just missed the Battle of Navarino, sailed to East Indies, where she almost foundered, and on to Australia, chased Malay pirates, and was wrecked in 1840 during the Syrian War.

HMS Challenger was a Cruizer-class brig-sloop launched at Redbridge, Southampton, in 1813. She participated in the capture of a French privateer and then sailed to the East Indies. She was laid up in 1819 and sold in 1824.