Hostettler is the son of Max S. Hostettler and Sally Markam. He is employed by Balfour Beatty.
Johnson is the daughter of David and Bonnie DeWeese and is a resort sales representative for French Lick Resort Casino and West Baden Springs Resort.
The wedding will take place at the Bloomfield United Methodist Church on May 19 at 1:30 p.m. A reception will immediately follow the ceremony at the Bloomfield American Legion annex.
Friends and relatives are invited to attend.