diff --git a/github/orgs_members.go b/github/orgs_members.go
index 80454ada0cd..77f691276c0 100644
--- a/github/orgs_members.go
+++ b/github/orgs_members.go
@@ -270,3 +270,29 @@ func (s *OrganizationsService) RemoveOrgMembership(user, org string) (*Response,
 
 	return s.client.Do(req, nil)
 }
+
+// ListPendingOrgInvitations returns a list of pending invitations.
+//
+// GitHub API docs: https://developer.github.com/v3/orgs/members/#list-pending-organization-invitations
+func (s *OrganizationsService) ListPendingOrgInvitations(org int, opt *ListOptions) ([]*Invitation, *Response, error) {
+	u := fmt.Sprintf("orgs/%v/invitations", org)
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	// TODO: remove custom Accept header when this API fully launches.
+	req.Header.Set("Accept", mediaTypeOrgMembershipPreview)
+
+	pendingInvitations := new([]*Invitation)
+	resp, err := s.client.Do(req, pendingInvitations)
+	if err != nil {
+		return nil, resp, err
+	}
+	return *pendingInvitations, resp, err
+}
diff --git a/github/orgs_members_test.go b/github/orgs_members_test.go
index f95e5be6dd5..8a3ff3df560 100644
--- a/github/orgs_members_test.go
+++ b/github/orgs_members_test.go
@@ -11,6 +11,7 @@ import (
 	"net/http"
 	"reflect"
 	"testing"
+	"time"
 )
 
 func TestOrganizationsService_ListMembers(t *testing.T) {
@@ -353,3 +354,81 @@ func TestOrganizationsService_RemoveOrgMembership(t *testing.T) {
 		t.Errorf("Organizations.RemoveOrgMembership returned error: %v", err)
 	}
 }
+
+func TestOrganizationsService_ListPendingOrgInvitations(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/orgs/1/invitations", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, "GET")
+		testFormValues(t, r, values{"page": "1"})
+		testHeader(t, r, "Accept", mediaTypeOrgMembershipPreview)
+		fmt.Fprint(w, `[
+				{
+    					"id": 1,
+    					"login": "monalisa",
+    					"email": "octocat@github.com",
+    					"role": "direct_member",
+					"created_at": "2017-01-21T00:00:00Z",
+    					"inviter": {
+      						"login": "other_user",
+      						"id": 1,
+      						"avatar_url": "https://github.com/images/error/other_user_happy.gif",
+      						"gravatar_id": "",
+      						"url": "https://api.github.com/users/other_user",
+      						"html_url": "https://github.com/other_user",
+      						"followers_url": "https://api.github.com/users/other_user/followers",
+      						"following_url": "https://api.github.com/users/other_user/following/other_user",
+      						"gists_url": "https://api.github.com/users/other_user/gists/gist_id",
+      						"starred_url": "https://api.github.com/users/other_user/starred/owner/repo",
+      						"subscriptions_url": "https://api.github.com/users/other_user/subscriptions",
+      						"organizations_url": "https://api.github.com/users/other_user/orgs",
+      						"repos_url": "https://api.github.com/users/other_user/repos",
+      						"events_url": "https://api.github.com/users/other_user/events/privacy",
+      						"received_events_url": "https://api.github.com/users/other_user/received_events/privacy",
+      						"type": "User",
+      						"site_admin": false
+    					}
+  				}
+			]`)
+	})
+
+	opt := &ListOptions{Page: 1}
+	invitations, _, err := client.Organizations.ListPendingOrgInvitations(1, opt)
+	if err != nil {
+		t.Errorf("Organizations.ListPendingOrgInvitations returned error: %v", err)
+	}
+
+	createdAt := time.Date(2017, 01, 21, 0, 0, 0, 0, time.UTC)
+	want := []*Invitation{
+		{
+			ID:        Int(1),
+			Login:     String("monalisa"),
+			Email:     String("octocat@github.com"),
+			Role:      String("direct_member"),
+			CreatedAt: &createdAt,
+			Inviter: &User{
+				Login:             String("other_user"),
+				ID:                Int(1),
+				AvatarURL:         String("https://github.com/images/error/other_user_happy.gif"),
+				GravatarID:        String(""),
+				URL:               String("https://api.github.com/users/other_user"),
+				HTMLURL:           String("https://github.com/other_user"),
+				FollowersURL:      String("https://api.github.com/users/other_user/followers"),
+				FollowingURL:      String("https://api.github.com/users/other_user/following/other_user"),
+				GistsURL:          String("https://api.github.com/users/other_user/gists/gist_id"),
+				StarredURL:        String("https://api.github.com/users/other_user/starred/owner/repo"),
+				SubscriptionsURL:  String("https://api.github.com/users/other_user/subscriptions"),
+				OrganizationsURL:  String("https://api.github.com/users/other_user/orgs"),
+				ReposURL:          String("https://api.github.com/users/other_user/repos"),
+				EventsURL:         String("https://api.github.com/users/other_user/events/privacy"),
+				ReceivedEventsURL: String("https://api.github.com/users/other_user/received_events/privacy"),
+				Type:              String("User"),
+				SiteAdmin:         Bool(false),
+			},
+		}}
+
+	if !reflect.DeepEqual(invitations, want) {
+		t.Errorf("Organizations.ListPendingOrgInvitations returned %+v, want %+v", invitations, want)
+	}
+}
diff --git a/github/orgs_teams.go b/github/orgs_teams.go
index 6afcd1f2ee2..6ef5000b281 100644
--- a/github/orgs_teams.go
+++ b/github/orgs_teams.go
@@ -44,13 +44,15 @@ func (t Team) String() string {
 	return Stringify(t)
 }
 
-// Invitation represents a team member's inviation status
+// Invitation represents a team member's invitation status.
 type Invitation struct {
-	ID        *int       `json:"id,omitempty"`
-	Login     *string    `json:"login,omitempty"`
-	Email     *string    `json:"email,omitempty"`
+	ID    *int    `json:"id,omitempty"`
+	Login *string `json:"login,omitempty"`
+	Email *string `json:"email,omitempty"`
+	// Role can be one of the values - 'direct_member', 'admin', 'billing_manager', 'hiring_manager', or 'reinstate'.
 	Role      *string    `json:"role,omitempty"`
 	CreatedAt *time.Time `json:"created_at,omitempty"`
+	Inviter   *User      `json:"inviter,omitempty"`
 }
 
 func (i Invitation) String() string {
diff --git a/github/orgs_teams_test.go b/github/orgs_teams_test.go
index 96cf82d6321..36701f1a456 100644
--- a/github/orgs_teams_test.go
+++ b/github/orgs_teams_test.go
@@ -11,6 +11,7 @@ import (
 	"net/http"
 	"reflect"
 	"testing"
+	"time"
 )
 
 func TestOrganizationsService_ListTeams(t *testing.T) {
@@ -508,7 +509,34 @@ func TestOrganizationsService_ListPendingTeamInvitations(t *testing.T) {
 		testMethod(t, r, "GET")
 		testFormValues(t, r, values{"page": "1"})
 		testHeader(t, r, "Accept", mediaTypeOrgMembershipPreview)
-		fmt.Fprint(w, `[{"id":1}]`)
+		fmt.Fprint(w, `[
+				{
+    					"id": 1,
+    					"login": "monalisa",
+    					"email": "octocat@github.com",
+    					"role": "direct_member",
+					"created_at": "2017-01-21T00:00:00Z",
+    					"inviter": {
+      						"login": "other_user",
+      						"id": 1,
+      						"avatar_url": "https://github.com/images/error/other_user_happy.gif",
+      						"gravatar_id": "",
+      						"url": "https://api.github.com/users/other_user",
+      						"html_url": "https://github.com/other_user",
+      						"followers_url": "https://api.github.com/users/other_user/followers",
+      						"following_url": "https://api.github.com/users/other_user/following/other_user",
+      						"gists_url": "https://api.github.com/users/other_user/gists/gist_id",
+      						"starred_url": "https://api.github.com/users/other_user/starred/owner/repo",
+      						"subscriptions_url": "https://api.github.com/users/other_user/subscriptions",
+      						"organizations_url": "https://api.github.com/users/other_user/orgs",
+      						"repos_url": "https://api.github.com/users/other_user/repos",
+      						"events_url": "https://api.github.com/users/other_user/events/privacy",
+      						"received_events_url": "https://api.github.com/users/other_user/received_events/privacy",
+      						"type": "User",
+      						"site_admin": false
+    					}
+  				}
+			]`)
 	})
 
 	opt := &ListOptions{Page: 1}
@@ -517,7 +545,35 @@ func TestOrganizationsService_ListPendingTeamInvitations(t *testing.T) {
 		t.Errorf("Organizations.ListPendingTeamInvitations returned error: %v", err)
 	}
 
-	want := []*Invitation{{ID: Int(1)}}
+	createdAt := time.Date(2017, 01, 21, 0, 0, 0, 0, time.UTC)
+	want := []*Invitation{
+		{
+			ID:        Int(1),
+			Login:     String("monalisa"),
+			Email:     String("octocat@github.com"),
+			Role:      String("direct_member"),
+			CreatedAt: &createdAt,
+			Inviter: &User{
+				Login:             String("other_user"),
+				ID:                Int(1),
+				AvatarURL:         String("https://github.com/images/error/other_user_happy.gif"),
+				GravatarID:        String(""),
+				URL:               String("https://api.github.com/users/other_user"),
+				HTMLURL:           String("https://github.com/other_user"),
+				FollowersURL:      String("https://api.github.com/users/other_user/followers"),
+				FollowingURL:      String("https://api.github.com/users/other_user/following/other_user"),
+				GistsURL:          String("https://api.github.com/users/other_user/gists/gist_id"),
+				StarredURL:        String("https://api.github.com/users/other_user/starred/owner/repo"),
+				SubscriptionsURL:  String("https://api.github.com/users/other_user/subscriptions"),
+				OrganizationsURL:  String("https://api.github.com/users/other_user/orgs"),
+				ReposURL:          String("https://api.github.com/users/other_user/repos"),
+				EventsURL:         String("https://api.github.com/users/other_user/events/privacy"),
+				ReceivedEventsURL: String("https://api.github.com/users/other_user/received_events/privacy"),
+				Type:              String("User"),
+				SiteAdmin:         Bool(false),
+			},
+		}}
+
 	if !reflect.DeepEqual(invitations, want) {
 		t.Errorf("Organizations.ListPendingTeamInvitations returned %+v, want %+v", invitations, want)
 	}