diff --git a/Foodiary/Views/MainTabView.swift b/Foodiary/Views/MainTabView.swift
index 23390d0..1f8d9c4 100644
--- a/Foodiary/Views/MainTabView.swift
+++ b/Foodiary/Views/MainTabView.swift
@@ -29,6 +29,7 @@ struct MainTabView: View {
             .tabItem {
                 Image(systemName: "flame.fill")
                 Text(L10n["tab.today"])
+                    .accessibilityIdentifier("main_tab_today")
             }
             .tag(0)
 
diff --git a/Foodiary/Views/Onboarding/CalorieResultView.swift b/Foodiary/Views/Onboarding/CalorieResultView.swift
index ce258ba..d537130 100644
--- a/Foodiary/Views/Onboarding/CalorieResultView.swift
+++ b/Foodiary/Views/Onboarding/CalorieResultView.swift
@@ -154,11 +154,13 @@ struct CalorieResultView: View {
                         Text(primaryButtonTitle ?? L10n["action.create_meal_plan"])
                     }
                     .buttonStyle(PulsePrimaryButtonStyle())
+                    .accessibilityIdentifier("calorie_result_create_meal_plan_button")
 
                     Button(action: onEditProfile) {
                         Text(L10n["action.edit_profile"])
                     }
                     .buttonStyle(PulseSecondaryButtonStyle())
+                    .accessibilityIdentifier("calorie_result_edit_profile_button")
                 }
                 .padding(.horizontal, 20)
 
diff --git a/Foodiary/Views/Onboarding/GoalSetupView.swift b/Foodiary/Views/Onboarding/GoalSetupView.swift
index a9f09aa..99cc9ae 100644
--- a/Foodiary/Views/Onboarding/GoalSetupView.swift
+++ b/Foodiary/Views/Onboarding/GoalSetupView.swift
@@ -92,6 +92,7 @@ struct GoalSetupView: View {
                             .fill(FoodiaryDesign.pulsePrimary)
                     )
                 }
+                .accessibilityIdentifier("goal_setup_next_button")
             }
             .padding(.horizontal, 24)
             .padding(.bottom, 40)
@@ -310,6 +311,7 @@ private struct ActivityCard: View {
             .animation(.spring(response: 0.3, dampingFraction: 0.7), value: isSelected)
         }
         .buttonStyle(.plain)
+        .accessibilityIdentifier("goal_setup_activity_\(option.rawValue)")
     }
 }
 
@@ -406,5 +408,6 @@ private struct GoalCard: View {
             .animation(.spring(response: 0.3, dampingFraction: 0.7), value: isSelected)
         }
         .buttonStyle(.plain)
+        .accessibilityIdentifier("goal_setup_goal_\(option.rawValue)")
     }
 }
diff --git a/Foodiary/Views/Onboarding/ProfileSetupView.swift b/Foodiary/Views/Onboarding/ProfileSetupView.swift
index ca943ae..78b53e8 100644
--- a/Foodiary/Views/Onboarding/ProfileSetupView.swift
+++ b/Foodiary/Views/Onboarding/ProfileSetupView.swift
@@ -115,6 +115,7 @@ struct ProfileSetupView: View {
                             .fill(FoodiaryDesign.pulsePrimary)
                     )
                 }
+                .accessibilityIdentifier("profile_setup_next_button")
             }
             .padding(.horizontal, 24)
             .padding(.bottom, 40)
@@ -158,6 +159,7 @@ struct ProfileSetupView: View {
                 .foregroundColor(FoodiaryDesign.pulsePrimary)
                 .contentTransition(.numericText())
                 .animation(.easeOut(duration: 0.08), value: value)
+                .accessibilityIdentifier("profile_setup_value_label")
 
             Text(activeField.unit)
                 .font(.system(size: 12, weight: .bold))
@@ -226,6 +228,7 @@ struct ProfileSetupView: View {
                     .scaleEffect(localSex == option ? 1.02 : 1.0)
                 }
                 .buttonStyle(.plain)
+                .accessibilityIdentifier("profile_setup_sex_option_\(option.rawValue)")
             }
         }
         .padding(.horizontal, 24)
diff --git a/Foodiary/Views/Onboarding/WelcomeView.swift b/Foodiary/Views/Onboarding/WelcomeView.swift
index ee6dbec..1eb50d2 100644
--- a/Foodiary/Views/Onboarding/WelcomeView.swift
+++ b/Foodiary/Views/Onboarding/WelcomeView.swift
@@ -53,6 +53,7 @@ struct WelcomeView: View {
                 Text(L10n["onboarding.welcome.get_started"])
             }
             .buttonStyle(PulsePrimaryButtonStyle())
+            .accessibilityIdentifier("welcome_get_started_button")
             .padding(.horizontal, 60)
             .padding(.bottom, 32)