| Hideki Nagaoka | |
| Position: | Infielder |
| Team: | Tokyo Yakult Swallows |
| Number: | 7 |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 26 September 2001 |
| Birth Place: | Funabashi, Chiba, Japan |
| Debutleague: | NPB |
| Debutdate: | October 23 |
| Debutyear: | 2020 |
| Debutteam: | Tokyo Yakult Swallows |
| Statyear: | 2023 season |
| Stat1label: | Batting average |
| Stat1value: | .230 |
| Stat2label: | Hits |
| Stat2value: | 225 |
| Stat3label: | Home runs |
| Stat3value: | 12 |
| Stat4label: | RBI |
| Stat4value: | 83 |
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is a Japanese professional baseball infielder for the Tokyo Yakult Swallows of Nippon Professional Baseball (NPB).[1] [2]