Henderson will go up against Clyde pair David Goodwillie and John Rankin and Annan’s Chris Johnston for the prestigious award.
Henderson, 24, has been prolific for City this season, netting 38 goals in all competitions, including 30 in 34 league appearances as the capital club have chased promotion.
The Ainslie Park side currently sit in third in League Two, six points behind Clyde.
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