The Party Hat is a type of headgear in Nintendogs and Nintendogs + Cats. It can be found on walks. In Nintendogs it can be sold for $10. In Nintendogs + Cats it can be made at Mr. Recycle's shop with the following materials:
- Wood x2
- Rubber x3
- Stardust x1
The hat appears as a red top hat made to look like a cake with candles, strawberries, and a sign that says "Happy Birthday".
DS and 3DS: "This fun hat will make you the life of the party!"