"I know it's early," Carrey wrote in a tongue-in-cheek tweet.
His artwork shows a nipple-fingering Trump screaming as he eats from what appears to be a bowl containing two scoops of ice cream.
It's titled: "You Scream. I Scream. Will We Ever Stop Screaming?"
People who responded on Twitter appeared to enjoy the piece:
The Smithsonian hasn't responded to Carrey's submission.
Should Carrey's Trump portrait not be to the gallery's taste, maybe it would consider some of the actor's other recent politically charged pieces: