The data presented in this catalogue are the results of multicolor photometric observations of stars listed in the Bright Star Catalog. Observations were made on the 21-in, 28-in and 60-in telescopes of the Lunar and Planetary Laboratory, and at Tonanzintla Observatory on the 40-in telescope of the Observatorio Astronomico Nacional, Universidad Nacional de Mexico. This catalog of UBV photometry on almost 5000 bright stars covers the entire sky by including southern Cape photometry transformed to the UBV system.