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Óttó is a given name of Old Norse origin. It is derived from the element "ótr," meaning otter. The name was popular among Norse royalty and nobility. Notable historical figures bearing the name include Óttó I, Holy Roman Emperor, also known as Otto the Great, who reigned from 936 to 973. Another significant figure is Óttó II, who succeeded his father as Holy Roman Emperor and ruled from 973 to 983. The name has also been used in various forms across different European languages, such as Otto in German and English, and Othon in French. While less common in modern times, the name Óttó retains a connection to its historical and linguistic roots. Its sound and historical associations contribute to its enduring, albeit niche, presence.