Conventional loans are mortgage loans not backed by a government agency, such as HUD, VA, or USDA. Conventional needs to conform to Fannie Mae and Freddie Mac agency guidelines. Fannie Mae and Freddie Mac are the two giant government-sponsored enterprises in the United States and the largest buyers of mortgage-backed securities.  Conventional Loans are called conforming loans because they need to conform to Fannie Mae and Freddie Mac Guidelines. In Conventional Loans FORUM, we will cover everything about Conventional Loans.