Costume Parties in Ottawa

Check out happening costume parties events all around Ottawa, ON

Ottawa - Halloween Party and Social! (20s-30s)

 Fri, 31 Oct at 08:00 pm The Office Resto Pub

Homo Phono Halloween Party!

 Fri, 31 Oct at 07:30 pm The Grove | Visual Studio | Ottawa Free

Ottawa Dress-Up & Swag Halloween Style Night

 Wed, 29 Oct at 06:30 pm Working Title Kitchen Free

Fright Night Halloween Bar Crawl Ottawa

 Fri, 31 Oct at 07:30 pm Room 104 CAD 20 to 32

Mom's Monster Mash!

 Sat, 25 Oct at 08:00 pm One Up Cocktail Pub CAD 23

Haunted Prom

 Sat, 25 Oct at 07:00 pm 14 Bexley Pl CAD 45

Spooky Night with Donekla – Live in Ottawa!

 Sun, 26 Oct at 07:00 pm Collab Space CAD 134

The Haunted Hop | Ottawa Halloween Bar Crawl | Friday, October 31st

 Fri, 31 Oct at 07:30 pm Room 104 CAD 20 to 44

Lez Go presents Nightmare on Queen Street 2025

 Sat, 01 Nov at 08:00 pm Queen St. Fare CAD 5 to 42

HELLoween party

 Fri, 24 Oct at 06:30 pm 1160 Maitland, Ottawa, ON, Canada

Haunted Halloween Weekend Pass 2025 – Ottawa

 Fri, 31 Oct at 07:30 pm Room 104 CAD 44

Ottawa Halloween Bar Crawl 2025 | Saturday, November 1st

 Sat, 01 Nov at 07:30 pm Room 104 CAD 20 to 44

Halloween Costume Party - Moose McGuires HuntClub

 Fri, 31 Oct at 07:30 pm Moose McGuire's Huntclub

Halloween Costume Bash with Hosts 10 Cent Wings and Table 9!

 Fri, 31 Oct at 07:30 pm Moose McGuire's Huntclub CAD 12

KARAOKE - Halloween Costume Party

Fri, 31 Oct at 08:00 pm 170 Rue Preston, Ottawa, ON K1R 7P7, Canada

SCAREOKE NIGHT

 Fri, 31 Oct at 09:00 pm Connors Irish Pub & Eatery Orleans

DANCE DANCE DANCE - ALL DISCO - ALL 80S HALLOWEEN NIGHT At Busters Bar

 Fri, 31 Oct at 08:00 pm Buster's Bar & Grill CAD 23

CUSTOM TOTES & COCKTAILS | *HALLOWEEN EDITION*

 Thu, 30 Oct at 06:00 pm Drip House CAD 40

Black Trivia Night - Thriller Edition

 Thu, 30 Oct at 07:00 pm NUVO Lounge 295 CAD 28

Ottawa's Halloween Costume Party @ Sky Lounge

 Thu, 30 Oct at 10:00 pm Sky Lounge & Lowertown Bar CAD 18 to 35

FEAR CITY @VIBECITY

 Fri, 31 Oct at 11:00 pm 158 Rideau St CAD 12 to 23

Hard N' Heavy Halloween metal DJ night

 Thu, 30 Oct at 07:00 pm 837 Somerset St W., Ottawa, ON, Canada, Ontario K1R 0A3

Ajar Presents: Halloween

Fri, 31 Oct at 07:00 pm Happy Goat Coffee Co. (35 Laurel Street, Ottawa, ON, Canada)

All The Saints, And The Ghosties Too! (All Saints Day/Halloween Banger)

 Sat, 01 Nov at 08:00 pm 215 Ethel St, Ottawa, ON K1L 5X1, Canada

Hocus Pocus Halloween Movie Party!

 Sat, 25 Oct at 02:00 pm 815 St-Laurent Boulevard, Ottawa, ON, Canada, Ontario K1K 3A7

Thursday | Halloween Costume Party | Back to Brooklyn

 Thu, 30 Oct at 11:30 pm Back to Brooklyn Restaurant