| Casual Party | |
| Cover: | BandOfHorsesCasualParty.jpg |
| Type: | single |
| Artist: | Band of Horses |
| Album: | Why Are You OK |
| Released: | April 24, 2016 |
| Genre: | Indie rock |
| Length: | 3:53 |
| Producer: | Jason Lytle |
| Prev Title: | Hang an Ornament |
| Prev Year: | 2014 |
"Casual Party" is the lead single taken from American rock band Band of Horses' fifth studio album Why Are You OK. Peaking at #4 on the Adult Alternative Songs chart and #23 on the Alternative Songs chart, it is their most successful song to date.