Atomica · 71 Brock Street · (613-530-2118): This bistro-style pizzeria is one of your three options for gourmet pizza downtown. Atomica has a good wine list and and creative cocktails. Their menu options outside of pizza are minimal, but the Pumpkin Ravioli is good. They offer half-price pizza on Tuesdays with the purchase of a dessert or appetizer, and cheap martinis on Mondays. Their patio is always one of the first to open in the spring.
Wooden Heads · 192 Ontario Street · (613-549-1812): Always busy, this gourmet pizzeria offers a very delicious array of pizzas, tapas, and salads. They also boast an excellent drink list and a terrace patio in the summer. If you have dessert, try out the Strawberry and Chocolate Mousse Lasagna.
Score Pizza · 91 Princess Street · (613-542-1200): Very laid back joint where you can build your own pizza however your heart desires. A nice little patio in the summer, and also very easy place to get take-out from!
Doughbox Woodfired Pizza/Pasta · 345 Princess Street · (613-545-0303): Opened recently with a great selection of ingredients and toppings at a decent price. Similar to other Doughbox pizza restaurants elsewhere.
Pizza Chains: Domino’s Pizza (go-to spot with half-price (BOGO) pizzas on Tuesdays), Papa John’s, Pizza Pizza (several deals online and convenient across Metro), Pizza Hut (several deals online but further away from SOMB)
Other Options: Pizza Studio (very convenient across Metro)