The 29-year old defender has emerged as a transfer target for former club Nottingham Forest but Pearson says the Foxes are determined to keep him at the King Power Stadium.
"Wes isn't for sale," Pearson told the Leicester Mercury.
"They (Forest) have made a couple of bids but that is irrelevant as far as I'm concerned. I have said before I want to try to keep the squad together.
"If bids come in then there will be questions asked. But I'm working to try to get the team prepared for the season."
Morgan joined Leicester in January 2012 after more than a decade with Forest.