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UFC fighter Allan Nascimento dies at 34 after heart attack

·1 min read·2 outlets
Photo via Bruno Massami / CC BY 3.0

The short version

Brazilian mixed martial artist Allan Nascimento died at age 34 after suffering a heart attack in his sleep. The UFC confirmed the death on Monday.

Allan Nascimento was a Brazilian mixed martial arts fighter.2,1 He died at the age of 34.2,1 Nascimento suffered a heart attack while asleep and later died from it.2

The UFC announced his death on Monday.2,1

Why it matters

  • The UFC is the Ultimate Fighting Championship, the largest mixed martial arts promotion company in the world.2,1

This account was written from the 2 reports listed below, filed by 2 independent outlets, and checked against them line by line. It is not a copy of any one of them. Spotted an error? Tell us.

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2 source reports

2 outlets · 2 countries · citation numbers match the article

  1. 1

    Sky News · GB

    UFC star dies aged 34

    Aug 3, 2026

  2. 2

    NBC News · US

    UFC fighter Allan Nascimento dies at 34 after apparent heart attack in his sleep

    Aug 4, 2026

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