General Sir Loftus William Otway, CB (28 April 1775 – 7 June 1854) was an experienced and professional cavalry commander of British forces during the Peninsula War who saw extensive service under Sir John Moore in the Corunna Campaign and Wellington in the remainder of the campaign. He also worked training Portuguese troops and spent time serving in Ireland during the 1798 rebellion and Canada. Otway retired after the Peninsula War and was honoured several times for his war service by both the British and Spanish royal families.