Admiral Sir Robert Waller Otway, 1st Baronet, GCB was a senior Royal Navy officer of the early nineteenth century who served extensively as a sea captain during the Napoleonic War and later supported the Brazilian cause during the Brazilian War of Independence. During his long service, Otway saw action across Europe and in North America and was rewarded in his retirement with a knighthood, baronetcy and position as a courtier within the Royal Household.