The midfielder beat off competition from teammates Leandro Trossard and Bernardo to claim the award, following his stunning bicycle kick against Chelsea in the 1-1 draw with Frank Lampard's men on New Year's Day at the Amex Stadium.
The Iranian, who also netted Albion's fastest-ever Premier League goal for the Seagulls against Eddie Howe’s side the Saturday before in the 2-0 win over AFC Bournemouth on the south coast, received 80% of the vote for his equaliser against the Blues on the first day of 2020.
Jahanbakhsh’s stunning strike cancelled out a 10th minute opener for Chelsea, and the midfielder's second goal for the Seagulls goal rightly stole the headlines on a memorable afternoon.
The final voting for the Performance of the Month award.