| Kenko Matsuki | |
| Native Name Lang: | ja |
| Office: | Member of the House of Representatives |
| Constituency: | Hokkaido 2nd |
| Term Start: | 27 April 2021 |
| Predecessor: | Takamori Yoshikawa |
| Constituency1: | Hokkaido PR |
| Term Start1: | 19 December 2014 |
| Term End1: | 28 September 2017 |
| Constituency2: | Hokkaido PR (2003–2009) Hokkaido 12th (2009–2012) |
| Term Start2: | 2003 |
| Term End2: | 16 November 2012 |
| Predecessor2: | Multi-member district |
| Successor2: | Arata Takebe |
| Birth Date: | 22 February 1959 |
| Birth Place: | Sapporo, Hokkaido, Japan |
| Party: | CDP |
| Otherparty: | LDP LL LP DPJ NPD JIP DP Kibō no Tō DPP |
| Alma Mater: | Aoyama Gakuin University |
is a Japanese politician and a member of the House of Representatives in the Diet.
A native of Sapporo, Hokkaido and graduate of Aoyama Gakuin University, he was elected to the House of Representatives for the first time in 2003 after unsuccessful runs in 1996 and 2000.
In 2010, Matsuki was expelled from the Democratic Party of Japan for voting in favor of a no-confidence motion in then-Prime Minister Naoto Kan. He was expelled from the party the same day and served the rest of the term as an independent. He ran for reelection in 2012 and 2013 as a member of the New Party Daichi, but lost. In 2014 he ran as a candidate of the Japan Innovation Party and gained a Diet seat through the Hokkaido proportional representation block. In 2021 he won the Hokkaido 2nd district as a member of the Constitutional Democratic Party after the LDP incumbent resigned over corruption accusations.
Matsuki is affiliated to the openly revisionist organization Nippon Kaigi.[1]