Kengo Iwashita

Honestly, before I looked into Kengo Iwashita, I never gave baseball umpires much thought — they're just kind of there, part of the furniture of the game. But learning a bit about this guy made me stop and actually think about what that career choice means. Born in 1988, raised in Kanagawa, graduated from Hosei University, and then decided to spend his professional life being the one person on the field everyone yells at when something goes wrong — and nobody thanks when it goes right. That takes a specific kind of stubborn commitment I genuinely respect. No crowd chanting your name, no highlight reels, no sponsorships. Just showing up, making the call, and standing by it. Baseball only works because people like Iwashita are willing to do the invisible, thankless backbone work, and I think that's quietly impressive.

Kengo Iwashita is a professional baseball umpire born on January 1, 1988, in Kanagawa Prefecture, Japan. He graduated from Hosei University before pursuing a career as an umpire in Nippon Professional Baseball. Most personal details, including his agency affiliation and active period, remain private or unknown.

Name (English)

Kengo Iwashita

Name (Japanese)

岩下健吾

Reading

いわした けんご

Born

January 1, 1988 (age 38)

Zodiac / Chinese zodiac

Capricorn / Dragon

Origin

Kanagawa Prefecture, Japan

Occupation

Professional baseball umpire

University

Hosei University

• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E5%B2%A9%E4%B8%8B%E5%81%A5%E5%90%BE
• Wikidatahttps://www.wikidata.org/wiki/Q52083727

Tags

• from Kanagawa Prefecture
• professional baseball umpire
• baseball umpire

Last updated

2026-06-02

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.