Salah won the award for the third time this season, after winning it in December and January.
The Egyptian star scored 3 goals last month.
Salah scored his goals against Manchester City and Leicester City in the Premier League and against Leipzig in the first leg of the Champions League round of 16.
The Egyptian wing outperformed Curtis Jones and Trent Alexander-Arnold in the mass vote.
Salah had won the best goal award for Liverpool in all months of this season.
Salah has played 40 games so far this season, scoring 25 goals (17 in the league), (5 in the Champions League), (3 in the England Cup).
The former Basel player is currently in the Egyptian national team camp, which is preparing to meet Kenya and Comoros this month in the upcoming African Nations Championship qualifiers.