Janet Leahy is an Emmy Award nominated American television writer and producer. She has worked in both capacities on the AMC drama series Mad Men and won a WGA Award for her work on the show. Janet served as a producer in 40 episodes of Roseanne from Seasons 7-9, serving as a consulting producer for 22 episodes, and a supervising producer in 18 episodes. She also wrote the script for two episodes, "Someday My Prince Will Come" and "Another Mouth to Shut Up", both in Season 8 of the series.