Step 1: Recall the tournament.
The ICC Men's T20 World Cup 2026 featured outstanding individual performances from players across competing nations throughout the event.
Step 2: Identify the award winner.
Sanju Samson was awarded the Player of the Tournament for his consistent and match-winning batting displays across the competition.
Step 3: Eliminate other options.
Mitchell Marsh, Jasprit Bumrah, and Sam Curran all performed admirably for their teams, but the top individual honour went to Sanju Samson. \[ \boxed{\text{Sanju Samson}} \]