Slice the onion.
In a bowl with the drained canned tuna, add mayonnaise and soy sauce.
Mix the tuna, mayonnaise, and soy sauce together well.
Spread mayonnaise evenly over the pizza crust.
Spread cheese evenly over the pizza crust.
Add the sliced onions on top of the cheese.
Add the tuna mixture evenly across the pizza.
Spread corn on top of the pizza.
Add hot sauce for extra flavor, if you like.
Bake according to the pizza crust instructions
Take the pizza out and let it rest for a few minutes.
Cut the pizza into pieces.
Garnish with chopped green onion.
Serve and enjoy!