Kayo Sugihara (杉原 加代, Sugihara Kayo, born 24 February 1983 in Shimane Prefecture) is a Japanese athlete who specialises in long-distance events.^[2] She represented her country at the 2007 and 2011 World Championships. In addition, she won a silver medal at the 2006 Asian Games.

Year	Competition	Venue	Position	Event	Notes
Representing  Japan
2003	Asian Championships	Manila, Philippines	6th	1500 m	4:30.24
2005	Asian Championships	Incheon, South Korea	4th	5000 m	15:50.75
2006	Asian Games	Doha, Qatar	2nd	5000 m	15:40.87
2007	World Championships	Osaka, Japan	17th (h)	5000 m	15:31.44
2009	East Asian Games	Hong Kong, China	1st	10,000 m	33:55.43
2011	World Championships	Daegu, South Korea	18th (h)	5000 m	15:41.78
			15th	10,000 m	32:53.89
2012	World Half Marathon Championships	Kavarna, Bulgaria	19th	5000 m	1:13:36

Outdoor

• 1500 metres – 4:17.41 (Yokohama 2003)
• 3000 metres – 8:56.89 (Rovereto 2006)
• 5000 metres – 15:15.34 (Nobeoka 2007)
• 10,000 metres – 31:34.35 (Palo Alto 2011)
• 15 kilometres – 50:59 (Miyazaki 2007)
• 20 kilometres – 1:08:01 (Miyazaki 2007)
• Half marathon – 1:11:35 (Miyazaki 2007)