Noriyuki Haga (芳賀紀行) (born 2 March 1975 in Atsuta-ku, Nagoya, Japan), is a Japanese professional motorcycle racer. Haga has been runner-up in the Superbike World Championship three times, and has finished 3rd in the series four times.
In 2009 and 2010, Noriyuki raced for Ducati Xerox Team alongside Michel Fabrizio on the new Ducati 1198 in the Superbike World Championship. For the 2011 Superbike World Championship Noriyuki Haga joined the PATA RACING TEAM APRILIA (Satellite Team) as a solo rider on the Aprillia RSV4 Factory bike He is also known as Nori-Chan, Nori, Nitro Nori, Iron Nori, and Haga-san.He is currently riding for the Swan Yamaha team in British superbikes.