Rollo is a proper noun used as a given name or surname, and historically refers to a Norse/Germanic warrior lineage as well as to modern individuals bearing the name. In some contexts it designates a fictional or historical figure, or a brand/title, but pronunciation guidance remains consistent across uses: two syllables with primary stress on the first, ending in a clear /oʊ/ or /əʊ/ vowel depending on accent. The term does not change pronunciation by meaning.
Full pronunciation guide
