Mehrullah Lassi (born November 24, 1979, Karachi, Sindh) is a Pakistani former amateur boxer best known for winning a gold medal at the 2002 Asian Games.

At the Olympics, he tried his hands at a lower division, bantam category, but lost his first bout against superstar and two-time winner Guillermo Rigondeaux.

In 2005, he fought Olympic silver medalist Kim Song-Guk but the match ended up in a draw.

In his career's last years he used to spar on GEO TV's live broadcast match "EK MUKA AUR" (ONE MORE PUNCH).

He and Faisal Karim were banned for life for failing the cannabis drugs test during the South Asian Games in Sri Lanka.