Bonita "Bonnie" Pietila is a Finnish American casting director and producer. She is best known for her work on The Simpsons, with which she has won three Emmy Awards with The Simpsons in 1998, 2000 and 2001. Pietila has been with the series since its beginnings on The Tracey Ullman Show in 1987.
Pietila graduated from Gwinn High School in the Upper Peninsula of Michigan in 1971, and is a graduate of Michigan State University.