Katie Otto is Greg's wife and the mother of Taylor, Oliver and Anna-Kat. She is played by Katy Mixon. She is a housewife managing three kids and raising them.
- Her weight is mostly boob.
- Her two nemeses in Wesport are Tara Summers and Chloe Brown Mueller.
- She has a like/hate relationship with Viv.
- Anna-Kat is her favorite child.