Roy Hodgson's side begin their campaign against Russia on 11 June, before facing Wales and Slovakia.
"Forget who's going to cost us," Owen, who represented England at five major tournaments, told BBC Sport.
"There's been a fear over the years because we all see someone missing a penalty or someone getting sent off and costing the team.
"The whole country then almost gangs up on that player.
"There's a fear amongst the squad - or there certainly was in my time - whereby you just didn't want to be that person everybody castigates, gets vilified, and you're the one that misses a penalty and they make a pizza advert about you."
Gareth Southgate featured in an advert for Pizza Hut after Euro 96 following England's semi-final exit to eventual tournament winners Germany.
The host nation went out after the then Aston Villa defender was the only player to miss a penalty in the shootout after the game at Wembley had finished 1-1 following extra time.