Billy Mitchell Janniro (born 30 July 1980 in Benicia, California, United States)[1] is a former motorcycle speedway rider from the United States.

[2] He earned 11 caps for the United States national speedway team.

[3] Billy "The Kid" Janniro first rode in the British leagues for the Coventry Bees in 2001.

Janniro also represented the US in the 2001 Speedway World Cup Final at the Olympic Stadium in Wrocław, Poland.

[5] He is a ten-time winner of the AMA National Speedway Championship, having won the title in 2008, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018 and 2019 and a six times USA Champion.