diff --git a/changes/26695-add-host-id-to-fleet-enrolled-activity b/changes/26695-add-host-id-to-fleet-enrolled-activity
new file mode 100644
index 0000000000..5a5c70c693
--- /dev/null
+++ b/changes/26695-add-host-id-to-fleet-enrolled-activity
@@ -0,0 +1 @@
+* Include newly created host ids in activities generated when hosts enroll in fleet
diff --git a/docs/Contributing/Audit-logs.md b/docs/Contributing/Audit-logs.md
index 0185fa8d89..dc2e5f83ba 100644
--- a/docs/Contributing/Audit-logs.md
+++ b/docs/Contributing/Audit-logs.md
@@ -526,6 +526,7 @@ This activity contains the following fields:
 Generated when a host is enrolled to Fleet (Fleet's agent fleetd is installed).
 
 This activity contains the following fields:
+- "host_id": ID of the host.
 - "host_serial": Serial number of the host.
 - "host_display_name": Display name of the host.
 
@@ -533,8 +534,9 @@ This activity contains the following fields:
 
 ```json
 {
-  "host_serial": "B04FL3ALPT21",
-  "host_display_name": "WIN-DESKTOP-JGS78KJ7C"
+	"host_id": "123",
+	"host_serial": "B04FL3ALPT21",
+	"host_display_name": "WIN-DESKTOP-JGS78KJ7C"
 }
 ```
 
diff --git a/server/datastore/mysql/activities.go b/server/datastore/mysql/activities.go
index 9c0b92cf6f..a21bc34c11 100644
--- a/server/datastore/mysql/activities.go
+++ b/server/datastore/mysql/activities.go
@@ -17,8 +17,10 @@ import (
 	"github.com/jmoiron/sqlx"
 )
 
-var automationActivityAuthor = "Fleet"
-var deleteIDsBatchSize = 1000
+var (
+	automationActivityAuthor = "Fleet"
+	deleteIDsBatchSize       = 1000
+)
 
 // NewActivity stores an activity item that the user performed
 func (ds *Datastore) NewActivity(
@@ -772,8 +774,10 @@ func (ds *Datastore) CancelHostUpcomingActivity(ctx context.Context, hostID uint
 		// read the activity along with the required information to create the
 		// "canceled" past activity, and check if the activity was activated or
 		// not.
-		stmt := strings.Join([]string{loadScriptActivityStmt, loadSoftwareInstallActivityStmt,
-			loadSoftwareUninstallActivityStmt, loadVPPAppInstallActivityStmt}, " UNION ALL ")
+		stmt := strings.Join([]string{
+			loadScriptActivityStmt, loadSoftwareInstallActivityStmt,
+			loadSoftwareUninstallActivityStmt, loadVPPAppInstallActivityStmt,
+		}, " UNION ALL ")
 		stmt, args, err := sqlx.Named(stmt, map[string]any{"host_id": hostID, "execution_id": executionID})
 		if err != nil {
 			return ctxerr.Wrap(ctx, err, "build load upcoming activity to cancel statement")
@@ -932,7 +936,6 @@ func (ds *Datastore) CancelHostUpcomingActivity(ctx context.Context, hostID uint
 		}
 		return nil
 	})
-
 	if err != nil {
 		return nil, err
 	}
diff --git a/server/fleet/activities.go b/server/fleet/activities.go
index b9369c2790..7c5a5c3f4d 100644
--- a/server/fleet/activities.go
+++ b/server/fleet/activities.go
@@ -865,6 +865,7 @@ func (a ActivityTypeDeletedUserTeamRole) Documentation() (activity string, detai
 }
 
 type ActivityTypeFleetEnrolled struct {
+	HostID          uint   `json:"host_id"`
 	HostSerial      string `json:"host_serial"`
 	HostDisplayName string `json:"host_display_name"`
 }
@@ -876,10 +877,12 @@ func (a ActivityTypeFleetEnrolled) ActivityName() string {
 func (a ActivityTypeFleetEnrolled) Documentation() (activity string, details string, detailsExample string) {
 	return `Generated when a host is enrolled to Fleet (Fleet's agent fleetd is installed).`,
 		`This activity contains the following fields:
+- "host_id": ID of the host.
 - "host_serial": Serial number of the host.
 - "host_display_name": Display name of the host.`, `{
-  "host_serial": "B04FL3ALPT21",
-  "host_display_name": "WIN-DESKTOP-JGS78KJ7C"
+	"host_id": "123",
+	"host_serial": "B04FL3ALPT21",
+	"host_display_name": "WIN-DESKTOP-JGS78KJ7C"
 }`
 }
 
diff --git a/server/service/integration_mdm_test.go b/server/service/integration_mdm_test.go
index 686cd510d2..3e70f771bc 100644
--- a/server/service/integration_mdm_test.go
+++ b/server/service/integration_mdm_test.go
@@ -2734,7 +2734,7 @@ func (s *integrationMDMTestSuite) TestEnrollOrbitAfterDEPSync() {
 
 	s.lastActivityMatches(
 		"fleet_enrolled",
-		fmt.Sprintf(`{"host_display_name": "%s", "host_serial": "%s"}`, h.DisplayName(), h.HardwareSerial),
+		fmt.Sprintf(`{"host_id": %v, "host_display_name": "%s", "host_serial": "%s"}`, h.ID, h.DisplayName(), h.HardwareSerial),
 		0,
 	)
 
@@ -5199,7 +5199,7 @@ func (s *integrationMDMTestSuite) setTokenForTest(t *testing.T, email, password
 func (s *integrationMDMTestSuite) TestSSO() {
 	t := s.T()
 
-	var lastSubmittedProfile = &godep.Profile{}
+	lastSubmittedProfile := &godep.Profile{}
 	mdmDevice, wantSettings := s.setUpEndUserAuthentication(t, lastSubmittedProfile)
 
 	// patch without specifying the mdm sso settings fields and an unrelated
@@ -5626,7 +5626,7 @@ func (s *integrationMDMTestSuite) checkStoredIdPInfo(t *testing.T, uuid, usernam
 func (s *integrationMDMTestSuite) TestSSOWithSCIM() {
 	t := s.T()
 
-	var lastSubmittedProfile = &godep.Profile{}
+	lastSubmittedProfile := &godep.Profile{}
 	mdmDevice, _ := s.setUpEndUserAuthentication(t, lastSubmittedProfile)
 
 	res := s.LoginMDMSSOUser("sso_user_no_displayname", "user123#")
@@ -5822,11 +5822,11 @@ func (s *integrationMDMTestSuite) TestSSOWithSCIM() {
 	hostResp = getHostResponse{}
 	s.DoJSON("GET", fmt.Sprintf("/api/v1/fleet/hosts/%d", hostID), nil, http.StatusOK, &hostResp)
 	checkEndUser()
-
 }
 
 func (s *integrationMDMTestSuite) setUpEndUserAuthentication(t *testing.T, lastSubmittedProfile *godep.Profile) (*mdmtest.TestAppleMDMClient,
-	fleet.SSOProviderSettings) {
+	fleet.SSOProviderSettings,
+) {
 	mdmDevice := mdmtest.NewTestMDMClientAppleDirect(mdmtest.AppleEnrollInfo{
 		SCEPChallenge: s.scepChallenge,
 	}, "MacBookPro16,1")
diff --git a/server/service/orbit.go b/server/service/orbit.go
index bcaa985efa..f7e9c250e9 100644
--- a/server/service/orbit.go
+++ b/server/service/orbit.go
@@ -174,6 +174,7 @@ func (svc *Service) EnrollOrbit(ctx context.Context, hostInfo fleet.OrbitHostInf
 		ctx,
 		nil,
 		fleet.ActivityTypeFleetEnrolled{
+			HostID:          host.ID,
 			HostSerial:      hostInfo.HardwareSerial,
 			HostDisplayName: host.DisplayName(),
 		},