Hearts captain Craig Gordon is among the four nominees for the PFA Scotland Premiership Player of the Year award.
Ross County star Reegan Charles-Cook and Celtic pair Callum McGregor and Tom Rogic are also in the running for the prize, as voted for by their fellow professionals.
No players from defending champions Rangers have been nominated.
Scotland goalkeeper Gordon has been in sensational form throughout the campaign as Hearts have motored clear of their rivals in third place.
The 39-year-old has rolled back the years for the Jambos and he will aiming to lift the Scottish Cup in May's final against Rangers.
Midfielders McGregor and Rogic have been crucial to Celtic going unbeaten in the league since September and pulling six points clear at the top of the table.
The four nominees for PFA Scotland's Premiership Young Player of the Year award are Liel Abada (Celtic), Connor Barron (Aberdeen), Josh Doig (Hibernian) and Calvin Ramsay (Aberdeen).
For the first time in the history of the PFA Scotland, the Women's Player of the Year and Young Player of the Year awards will be crowned at Sunday's gala dinner in Glasgow.
The four players in the running for player of the year are Lizzie Arnot (Rangers), Priscila Chinchilla (Glasgow City), Jacynta Galabadaarachchi (Celtic) and Charlie Wellings (Celtic).
Chinchilla and Galabadaarachchi are also shortlisted for the young player award, along with Aberdeen's Bayley Hutchison and Maria McAneny, on loan at Hearts from Celtic.
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