Machi Tanaka (田中真知, born July 21, 1983) is a female long-distance runner from Japan, who is best known for winning the half marathon at the 2003 Summer Universiade. She attended Meijo University.

Year	Competition	Venue	Position	Event	Notes
Representing  Japan
2002	World Junior Championships	Kingston, Jamaica	5th	3000m	9:19.95
2003	Universiade	Daegu, South Korea	1st	Half marathon	1:13:06

• 3000 metres - 9:17.54 min (2001)
• 5000 metres - 15:39.52 min (2004)
• 10,000 metres - 32:27.01 min (2003)
• Half marathon - 1:10:00 hrs (2004)

• Machi Tanaka at World Athletics

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