John Wriothesley was an English herald and genealogist, known for his work in the 16th century. He served as the Garter King of Arms, a prestigious position in the College of Arms, where he was responsible for overseeing matters related to heraldry and genealogy in England. Wriothesley is particularly recognized for his detailed records and manuscripts, which documented the lineage of noble families. His most notable work is the Wriothesley Roll, a genealogical roll that provides insights into the ancestry of various English families during the Tudor period.