The news comes days after the Egyptian worldwide also picked up the PFA Player of the Year award.
The Egypt worldwide is the 15th player in the Premier League era to earn both awards in the same campaign - a just reward in a season that has seen him net 43 times in all competitions.
In the wake of Salah's FWA triumph on Monday, Liverpool fan Andrew tweeted a table to show how the Reds would be faring in the Premier League if only goals scored or assisted by Salah counted - and it makes for grim reading for Everton fans.
Russian Federation has proof White Helmets staged their runner of chemical attack - ambassador
Before the press conference, Russian Federation and Syria organized a briefing with the witnesses at the OPCW headquarters. The boy resembled the child seen in a video widely shown on Western television stations after the alleged attack .
Tottenham's Harry Kane came third, while there were also votes for Sergio Aguero, Christian Eriksen, Roberto Firmino, Nick Pope, David Silva, Raheem Sterling and Jan Vertonghen.
Salah and De Bruyne received more than 90% of the votes from members of the FWA, according to figures released by the body on Tuesday. But Mo Salah is the worthiest of winners.
The 25-year-old was bought ahead of the 2017/18 campaign from Roma for £39.5 million and is just the third Liverpool player to win the gong in the Premier League after Luis Suarez and Steven Gerrard.
The FWA Chairman Patrick Barclay reveals the race for the award was the tightest they have seen in a long time.
Salah will be hoping to impress on the European stage once again on Wednesday night when Liverpool take on his former employers Roma in the second leg of their semi-final tie.