Mia Costello
 Mia C. Costello (born January 11 1968) is a Republican member of the Alaska House of Representatives representing the 20th District since January 2011. In November 2010 she defeated Democratic incumbent Bob Buch to win her seat. Costello received 3696 votes to Buch's 2873. Costello serves on the House Finance Committee and as chair of the Natural Resources Finance Subcommittee.