The other players nominated for the award include teammate Sadio Mane, Tottenham's Heung-Min Son, Arsenal Striker Aubameyang and Jamie Vardy.
Van Dijk is now the fourth Liverpool player to win the prestigious award over the last seven years with Coutinho, Suarez and Mo Salah also winning it in the past.
'I'm grateful to everyone for this trophy. It means so much to me,' Van Dijk said.
'Everyone that voted me player of the year, thank you all so much.
"I hope I can continue what I'm doing at the very top level, improving and being always ready for the club."
Van Dijk has won alot of awards this year of 2019 after also winning the Champions League trophy with the Reds.
The Holland international was named PFA Players' Player of the Year, UEFA Men's Player of the Year and Premier League Player of the Season for the 2018-19 season.
Also, the 28-year-old finished 2nd in the 2019 Ballon D'or Award rankings behind Lionel Messi and ahead of Cristiano Ronaldo.