Mariko NIIBOIn Japanese
- Name: Mariko NIIBO
- Date of Birth: 09.07.1972(53 years old)
- Turned pro: 2004
- Birthplace: Osaka, Japan
- Bloodtype: O
- Plays: Right-handed
- Q-CLUB: www.qclub.jp/index.php/marikoniibo/
- :
JPN
JPBA
RATING(2026-05-24)
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1,370RATING
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106RANK
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1,576
2018-07-15
MAX
The win-loss records
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219WIN
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243LOSE
JPBA Rank
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24
2026-04-30
RANK
WPA Rank
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142
2023-11-12
RANK
Profile
Personal Records*based on the results of the final round
| AllYears | 2026 | 2025 | |
| Win | 221 | 8 | 14 |
| Lose | 245 | 8 | 20 |
| WinRatio | 0.4742 | 0.5000 | 0.4118 |
| WinRatio on HillToHill | 0.4667(35/75) | 0.0000(0/3) | 0.4444(4/9) |
| Oponent who was beated by most | vs Kozue NAKAMURA(8) | vs Rina SAKAGAKI(1) | vs Anzu KUROSAWA(2) |
| Oponent who beated most | vs Keiko YUKAWA(20) | vs Midori MATSUMOTO(1) | vs Kayo OTSUJI(2) |

