OPP say the theft was reported this week by a farmer, who said the animals were taken from his barn.
Police allege that sometime between March 1 and June 21, “unknown persons” entered the barn and stole the pigs.
They say each pig would weigh between 60 and 200 pounds.
Police say the estimated value of the pigs is $12,000.
They are asking anyone with information to come forward.