Everton departed ways with Lampard following defeat against West Ham. The Toffees are currently 19th in the league table.
The Reds prepare to face Brighton in the FA Cup 4th round on Sunday, January 29.
Speaking ahead of the game, Klopp said during a press conference: “I feel for Frank. He tried everything. It was not easy for him last year ands he did well. Losing Richarlison and we know how much decision injuries can affect them.
“Frank will come back. He’s still a young coach and everything is ahead of him.”