Drain the canned tuna thoroughly to remove excess moisture.
In a large mixing bowl, combine the tuna, egg, breadcrumbs, soy sauce, ground ginger, salt, and black pepper.
Stir well until the mixture is evenly combined and holds together when pressed.
Divide the mixture into 6 to 8 equal portions and shape each into a compact patty.
Heat the olive oil in a large nonstick skillet over medium heat.
Carefully place the tuna cakes into the hot skillet, leaving space between each one.
Cook for 3 to 4 minutes per side until golden brown, crispy, and heated through.
While the tuna cakes cook, whisk together the mayonnaise and sriracha until smooth.
Transfer the warm Asian-Style Tuna Cakes with Spicy Mayo to a serving plate.
Drizzle the spicy mayo over the tuna cakes or serve it on the side as a dipping sauce.
Garnish with sliced green onions, sesame seeds, or fresh cilantro if desired.