Football clubs that make millions from poker machines are being targeted by anti-gambling vigilantes trying to highlight the damage pokies do to families.

Protests at AFL club-owned venues will begin on Saturday with campaigners to target Carlton-owned venues first, urging them to at the very least erect screens so children who are dining at the bistro in the clubs cannot see the poker machines.

Anti-gambling campaigners are set to target Carlton-owned venues first.

The Alliance for Gambling Reform protesters are aiming to show that while the AFL and its clubs preach to be family-friendly, they are hurting families by profiting from poker machines.