diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a7c168cf..671620168 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ### Features
 
 - Support for `before_send_log` ([#2634](https://github.com/getsentry/sentry-ruby/pull/2634))
+- Default user attributes are now automatically added to logs ([#2647](https://github.com/getsentry/sentry-ruby/pull/2647))
 
 ### Bug Fixes
 
diff --git a/sentry-ruby/lib/sentry/log_event.rb b/sentry-ruby/lib/sentry/log_event.rb
index e7981379c..83b280320 100644
--- a/sentry-ruby/lib/sentry/log_event.rb
+++ b/sentry-ruby/lib/sentry/log_event.rb
@@ -32,9 +32,15 @@ class LogEvent
       "sentry.message.template" => :template
     }
 
+    USER_ATTRIBUTES = {
+      "user.id" => :user_id,
+      "user.name" => :user_username,
+      "user.email" => :user_email
+    }
+
     LEVELS = %i[trace debug info warn error fatal].freeze
 
-    attr_accessor :level, :body, :template, :attributes
+    attr_accessor :level, :body, :template, :attributes, :user
 
     attr_reader :configuration, *SERIALIZEABLE_ATTRIBUTES
 
@@ -47,6 +53,9 @@ class LogEvent
       sdk_version
       timestamp
       trace_id
+      user_id
+      user_username
+      user_email
     ].map { |name| [name, :"serialize_#{name}"] }.to_h
 
     VALUE_TYPES = Hash.new("string").merge!({
@@ -69,6 +78,7 @@ def initialize(configuration: Sentry.configuration, **options)
       @body = options[:body]
       @template = @body if is_template?
       @attributes = options[:attributes] || DEFAULT_ATTRIBUTES
+      @user = options[:user] || {}
       @contexts = {}
     end
 
@@ -124,6 +134,18 @@ def serialize_body
       end
     end
 
+    def serialize_user_id
+      user[:id]
+    end
+
+    def serialize_user_username
+      user[:username]
+    end
+
+    def serialize_user_email
+      user[:email]
+    end
+
     def serialize_attributes
       hash = {}
 
@@ -137,6 +159,12 @@ def serialize_attributes
         end
       end
 
+      USER_ATTRIBUTES.each do |key, name|
+        if (value = serialize(name))
+          hash[key] = value
+        end
+      end
+
       hash
     end
 
diff --git a/sentry-ruby/lib/sentry/scope.rb b/sentry-ruby/lib/sentry/scope.rb
index 235cbf4b5..cb34a6276 100644
--- a/sentry-ruby/lib/sentry/scope.rb
+++ b/sentry-ruby/lib/sentry/scope.rb
@@ -60,6 +60,10 @@ def apply_to_event(event, hint = nil)
         event.attachments = attachments
       end
 
+      if event.is_a?(LogEvent)
+        event.user = user.merge(event.user)
+      end
+
       if span
         event.contexts[:trace] ||= span.get_trace_context
 
diff --git a/sentry-ruby/spec/sentry/log_event_spec.rb b/sentry-ruby/spec/sentry/log_event_spec.rb
index 331fdfa49..4d9fc3664 100644
--- a/sentry-ruby/spec/sentry/log_event_spec.rb
+++ b/sentry-ruby/spec/sentry/log_event_spec.rb
@@ -118,5 +118,26 @@
       expect(hash[:attributes]["boolean_attr"]).to eq({ value: true, type: "boolean" })
       expect(hash[:attributes]["float_attr"]).to eq({ value: 3.14, type: "double" })
     end
+
+    it "serializes user attributes correctly" do
+      user = {
+        id: 123,
+        username: "john_doe",
+        email: "john@example.com"
+      }
+
+      event = described_class.new(
+        configuration: configuration,
+        level: :info,
+        body: "User action performed",
+        user: user
+      )
+
+      hash = event.to_hash
+
+      expect(hash[:attributes]["user.id"]).to eq(123)
+      expect(hash[:attributes]["user.name"]).to eq("john_doe")
+      expect(hash[:attributes]["user.email"]).to eq("john@example.com")
+    end
   end
 end
diff --git a/sentry-ruby/spec/sentry/scope_spec.rb b/sentry-ruby/spec/sentry/scope_spec.rb
index 05e0eda17..59dec2ee1 100644
--- a/sentry-ruby/spec/sentry/scope_spec.rb
+++ b/sentry-ruby/spec/sentry/scope_spec.rb
@@ -207,6 +207,7 @@
 
     let(:event) { client.event_from_message("test message") }
     let(:check_in_event) { client.event_from_check_in("test_slug", :ok) }
+    let(:log_event) { client.event_from_log("test log message", level: :info) }
 
     it "applies the contextual data to event" do
       subject.apply_to_event(event)
@@ -238,6 +239,32 @@
       expect(check_in_event.contexts).to include(:trace)
     end
 
+    context "with LogEvent" do
+      it "adds user attributes to log event" do
+        scope = described_class.new
+        scope.set_user({ id: 123, username: "john_doe", email: "john@example.com" })
+
+        scope.apply_to_event(log_event)
+
+        log_hash = log_event.to_hash
+
+        expect(log_hash[:attributes]["user.id"]).to eq(123)
+        expect(log_hash[:attributes]["user.name"]).to eq("john_doe")
+        expect(log_hash[:attributes]["user.email"]).to eq("john@example.com")
+      end
+
+      it "does not add user attributes when user is empty" do
+        scope = described_class.new
+        scope.apply_to_event(log_event)
+
+        log_hash = log_event.to_hash
+
+        expect(log_hash[:attributes]).not_to have_key("user.id")
+        expect(log_hash[:attributes]).not_to have_key("user.name")
+        expect(log_hash[:attributes]).not_to have_key("user.email")
+      end
+    end
+
     it "doesn't override event's pre-existing data" do
       event.tags = { foo: "baz" }
       event.user = { id: 2 }