HMS Express was the American merchant vessel Achilles, launched in 1809 in America. Her owners in 1813 renamed her Anna Maria. In 1814 she served the British Royal Navy in North American waters as an advice boat. In 1815 the Royal Navy commissioned her as HMS Express, a ship's tender serving in the Mediterranean. In 1816 she was at the bombardment of Algiers. The Navy sold her at Malta in 1827.