Regulus is a male name of Latin origin, meaning "Prince." It is also the name of the brightest star in the constellation Leo and one of the most prominent in the night sky. The name Regulus is derived from the Latin word "Rēgulus," which translates to "prince" or "little king." In various cultures, it has been associated with titles such as "the heart of the lion" in Arabic and "the Fourteenth Star of Xuanyuan" in Chinese. Regulus holds significant astronomical and cultural symbolism, with its name being linked to royalty and leadership in different civilizations. Additionally, the star system's Bayer designation, α Leonis, reflects its prominence as the twenty-first brightest star in the night sky. Regulus is an intriguing name with rich historical and celestial connotations.