| Name | In-House Group | Constituency/Area |
|---|---|---|
| FUJII Hisayuki | LDP | Hyogo 4th District |
| FUJIMARU Satoshi | LDP | Fukuoka 7th District |
| FUJISAWA Tadamori | LDP | Tokai Bloc |
| FUJITA Fumitake | JIP | Osaka 12th District |
| FUJITA Hikaru | LDP | Nagano 2nd District |
| FUJITA Makoto | LDP | Saitama 14th District |
| FUJITA Yoji | LDP | Kinki Bloc |
| FUJIWARA Takashi | LDP | Iwate 3rd District |
| FUKASAKU Jesus | DPFP | Minami Kanto Bloc |
| FUKAZAWA Yoichi | LDP | Shizuoka 4th District |
| FUKUDA Kaoru | LDP | Tokyo 18th District |
| FUKUDA Tatsuo | LDP | Gunma 4th District |
| FUKUHARA Junji | LDP | Akita 2nd District |
| FUKUSHIGE Takahiro | CRA | Kita Kanto Bloc |
| FUKUTA Toru | DPFP | Tokai Bloc |
| FUNADA Hajime | LDP | Tochigi 1st District |
| FURUI Kosuke | LDP | Hokuriku-Shinetsu Bloc |
| FURUKAWA Aoi | MIRAI | Kyushu Bloc |
| FURUKAWA Motohisa | DPFP | Aichi 2nd District |
| FURUKAWA Naoki | LDP | Kanagawa 6th District |
| FURUKAWA Yasushi | LDP | Saga 2nd District |
| FURUKAWA Yoshihisa | LDP | Miyazaki 3rd District |
| FURUYA Keiji | LDP | Gifu 5th District |
| FUZUKI Ryo | LDP | Minami Kanto Bloc |
Notes:
List of the In-House Groups in the House
District: Single-seat constituency
Bloc: Proportional representation area
In-House Group: A group of House Members who engage in joint activities within the House. Usually, a political party forms an in-House group inside the House, but occasionally there are cases where a group is formed by (1) House Members who do not belong to a particular political party, (2) a political party and a House Member or Members who do not belong to any political party, or (3) two or more political parties.