Who Is Mai Yamauchi? Meet Kei Nishikori’s Wife On Instagram
Emma Newman
Updated on January 06, 2026
Mai Yamauchi is the wife of a superstar Japanese tennis player, Kei Nishikori. The couple tied the knot on December 11, 2020.
Mai Yamauchi, who happens to be a former model, had dated Kei Nishikori for the past five years before making their relationship official. Throughout their dating period, the pair kept their relationship a private affair to avoid the media frenzy.
Quick Facts: Who Is Mai Yamauchi? Meet Kei Nishikori’s Wife On Instagram
| Name | Mai Yamauchi |
| Birthday | 1992 |
| Age | 29 |
| Gender | Female |
| Height | 5 feet 4 inches |
| Nationality | Japanese |
| Profession | Celebrity Spouse, Ex-Model |
| Married/Single | Married |
| Husband | Kei Nishikori |
The former model Mai often travels with Kei Nishikori for his tournaments. The two have remained highly secretive and private about their relationship. As reported, the two currently reside in their family home in Tokyo.
Very excited for Kei and Mai and this next chapter in their lives! Congrats! #Married
— Olivier van Lindonk (@Lindonk) December 18, 2020
10 Facts On Mai Yamauchi
- Mai Yamauchi is reported to be 29 years of age. It means that the former model could have been born somewhere around 1992. As yet, her exact birth details haven’t emerged.
- Although Mai Yamauchi is an ex-model, she is still widely recognized as the wife of Japanese tennis sensation Kei Nishikori.
- To protect her privacy, Mai Yamauchi has kept herself completely offbase from the online world. At present, Mai is not on any social media platforms, including Facebook, Twitter, or Instagram.
- As she isn’t a celebrity, Yamauchi’s biography isn’t on display yet. Nevertheless, her superstar husband’s intricate memoir has been recounted on Wikipedia.
- Speaking about her physical attributes, Mai Yamauchi appears to be adequately tall. Judging by her pictures, Yamauchi seems to be 5 feet 4 inches tall approximately. Besides a girl next door look, she is blessed with a slim physique.
- As she was born and raised in Japan, her nationality is Japanese. However, further details on her ethnic background are yet undisclosed.
- Talking about her job, Mai Yamauchi previously worked as a model. She has appeared in the Kobe collection and Tokyo collection. However, since retiring from modeling, not much about her current profession could be sustained.
- Moving on to her finances, Kei’s wealth is also a secret. Nevertheless, according to Celebrity Net Worth, her partner has an estimated net worth of $24 million.
- The couple’s wedding ceremony was attended by their close family members and friends, as per the sources.
- Mai Yamauchi is also known by her stage name, Mai Tachibana and Ako Mizuki.
