Victoria's beleaguered Liberals are preparing for another leadership change with just 12 months to go until the state election.

Opposition Leader Brad Battin is facing a leadership spill less than a year after taking the top job, with Kew MP Jess Wilson tipped to nominate.

A challenge could come as early as Tuesday morning when a Liberal party room meeting is scheduled to be held.

Ms Wilson, a former staffer to ex-Liberal treasurer Josh Frydenberg and Business Council of Australia executive, would become the first female leader of the Victorian Liberals.

A delegation of Victorian Liberal MPs visited Mr Battin on Monday to inform him he had lost the support of the party room, with others then calling him to say the same.

"I'd be very surprised if Brad doesn't step down before (Tuesday)

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