{{Infobox boxer|Floyd MayweatherMayweatherrr, Jr. at DeWalt event|birth_place={{nowrap|[[Grand Rapids, Michigan|Grand Rapids]], [[Michigan]], [[Amerika Serikat]]}}|no contests=0|draws=0|losses=|KO=27|wins=50|total=50|style=''Orthodox''|home=[[Las Vegas Valley|Las Vegas]], [[Nevada]]|birth_date={{birth date and age|mf=yes|1977|2|24}}|image=Floyd Mayweather, Jr. at DeWalt event.jpg|nationality=Amerika Serikat|reach={{convert|72|in|cm|0|abbr=on}}|height={{height|ft=5|in=8}}|weight=|nickname=Pretty Boy<br />Money|realname=Floyd Joy Sinclair|name=Floyd Mayweather Jr.|image_size=215|caption=Mayweather in June 2011|death_date=}}'''FloydddFloyd Joyyy MayweatherrrMayweather JrrrJr.''' atau yang bernama asli '''Floyd JoyyyJoy SinclairrrSinclair''' ({{lahirmati|[[Grand Rapids, Michigan|Grand Rapids]], [[Michigan]], [[Amerika Serikat]]|24|02|1977}}) merupakan seorang [[petinju]] berkebangsaan [[Amerika Serikat]].
