Liverpool's supporters' union, Spirit of Shankly (SOS), plan to stage protests on matchdays for the remainder of the season.
The first protest will be held on Saturday night against Fulham,
SOS and the LFC Supporters' Board insist they're taking the action after being "ignored" by Liverpool after plans were released last month to increase season ticket prices for the next three seasons.
In a statement, Spirit of Shankly declared: "SUPPORTERS are angry. And they have every right to be.
"Liverpool FC has chosen to ignore clear, overwhelming opposition from its own supporters and push ahead with plans to increase ticket prices for the next three seasons.
"The open meeting online, the survey, and countless conversations all point to the same thing: fans do not accept this decision.
"And if the club’s owners won’t listen, then we make them. This is no longer about consultation. That opportunity has been and gone. This is about action.
"Supporter groups are already organising a coordinated response. We are doing so at speed because time is against us. But the direction is clear: protests will take place.
"If the club does not value supporter voices, we will make ourselves difficult to ignore. The Supporters’ Board has formally informed the club that action is coming. Now it is on all of us to back it."
The union adds: "Protests inside and outside Anfield have been discussed. It is agreed they need to happen.
"This will not be limited to one game. Action will take place across home and away fixtures, starting with Fulham at Anfield and escalating from there.
"Details to follow. But the key point is simple: this will grow and escalate. If you care about this issue, you need to be part of it. Turn up. Join in. Back it. Encourage others to take part."