diff --git a/homeassistant/components/__init__.py b/homeassistant/components/__init__.py
index 10e18216ea0..cfc8acb133e 100644
--- a/homeassistant/components/__init__.py
+++ b/homeassistant/components/__init__.py
@@ -20,7 +20,7 @@ import homeassistant.util as util
 from homeassistant.helpers import extract_entity_ids
 from homeassistant.loader import get_component
 from homeassistant.const import (
-    ATTR_ENTITY_ID, SERVICE_TURN_ON, SERVICE_TURN_OFF)
+    ATTR_ENTITY_ID, SERVICE_TURN_ON, SERVICE_TURN_OFF, SERVICE_TOGGLE)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -68,6 +68,14 @@ def turn_off(hass, entity_id=None, **service_data):
     hass.services.call(ha.DOMAIN, SERVICE_TURN_OFF, service_data)
 
 
+def toggle(hass, entity_id=None, **service_data):
+    """ Toggles specified entity. """
+    if entity_id is not None:
+        service_data[ATTR_ENTITY_ID] = entity_id
+
+    hass.services.call(ha.DOMAIN, SERVICE_TOGGLE, service_data)
+
+
 def setup(hass, config):
     """ Setup general services related to homeassistant. """
 
@@ -105,5 +113,6 @@ def setup(hass, config):
 
     hass.services.register(ha.DOMAIN, SERVICE_TURN_OFF, handle_turn_service)
     hass.services.register(ha.DOMAIN, SERVICE_TURN_ON, handle_turn_service)
+    hass.services.register(ha.DOMAIN, SERVICE_TOGGLE, handle_turn_service)
 
     return True
diff --git a/homeassistant/components/light/__init__.py b/homeassistant/components/light/__init__.py
index 93321b5fd10..b1017900b17 100644
--- a/homeassistant/components/light/__init__.py
+++ b/homeassistant/components/light/__init__.py
@@ -13,7 +13,8 @@ import csv
 from homeassistant.components import group, discovery, wink, isy994, zwave
 from homeassistant.config import load_yaml_config_file
 from homeassistant.const import (
-    STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, ATTR_ENTITY_ID)
+    STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, SERVICE_TOGGLE,
+    ATTR_ENTITY_ID)
 from homeassistant.helpers.entity import ToggleEntity
 from homeassistant.helpers.entity_component import EntityComponent
 import homeassistant.util as util
@@ -114,6 +115,18 @@ def turn_off(hass, entity_id=None, transition=None):
     hass.services.call(DOMAIN, SERVICE_TURN_OFF, data)
 
 
+def toggle(hass, entity_id=None, transition=None):
+    """ Toggles all or specified light. """
+    data = {
+        key: value for key, value in [
+            (ATTR_ENTITY_ID, entity_id),
+            (ATTR_TRANSITION, transition),
+        ] if value is not None
+    }
+
+    hass.services.call(DOMAIN, SERVICE_TOGGLE, data)
+
+
 # pylint: disable=too-many-branches, too-many-locals, too-many-statements
 def setup(hass, config):
     """ Exposes light control via statemachine and services. """
@@ -165,9 +178,15 @@ def setup(hass, config):
         if transition is not None:
             params[ATTR_TRANSITION] = transition
 
+        service_fun = None
         if service.service == SERVICE_TURN_OFF:
+            service_fun = 'turn_off'
+        elif service.service == SERVICE_TOGGLE:
+            service_fun = 'toggle'
+
+        if service_fun:
             for light in target_lights:
-                light.turn_off(**params)
+                getattr(light, service_fun)(**params)
 
             for light in target_lights:
                 if light.should_poll:
@@ -249,6 +268,9 @@ def setup(hass, config):
     hass.services.register(DOMAIN, SERVICE_TURN_OFF, handle_light_service,
                            descriptions.get(SERVICE_TURN_OFF))
 
+    hass.services.register(DOMAIN, SERVICE_TOGGLE, handle_light_service,
+                           descriptions.get(SERVICE_TOGGLE))
+
     return True
 
 
diff --git a/homeassistant/components/light/services.yaml b/homeassistant/components/light/services.yaml
index 9908737b7b1..8ad2ea97a6b 100644
--- a/homeassistant/components/light/services.yaml
+++ b/homeassistant/components/light/services.yaml
@@ -55,3 +55,15 @@ turn_off:
     transition:
       description: Duration in seconds it takes to get to next state
       example: 60
+
+toggle:
+  description: Toggles a light
+
+  fields:
+    entity_id:
+      description: Name(s) of entities to toggle
+      example: 'light.kitchen'
+
+    transition:
+      description: Duration in seconds it takes to get to next state
+      example: 60
diff --git a/homeassistant/components/media_player/__init__.py b/homeassistant/components/media_player/__init__.py
index 1b6b9fbfa44..58256c9b8fd 100644
--- a/homeassistant/components/media_player/__init__.py
+++ b/homeassistant/components/media_player/__init__.py
@@ -14,10 +14,10 @@ from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.const import (
-    STATE_OFF, STATE_UNKNOWN, STATE_PLAYING,
+    STATE_OFF, STATE_UNKNOWN, STATE_PLAYING, STATE_IDLE,
     ATTR_ENTITY_ID, ATTR_ENTITY_PICTURE, SERVICE_TURN_OFF, SERVICE_TURN_ON,
     SERVICE_VOLUME_UP, SERVICE_VOLUME_DOWN, SERVICE_VOLUME_SET,
-    SERVICE_VOLUME_MUTE,
+    SERVICE_VOLUME_MUTE, SERVICE_TOGGLE,
     SERVICE_MEDIA_PLAY_PAUSE, SERVICE_MEDIA_PLAY, SERVICE_MEDIA_PAUSE,
     SERVICE_MEDIA_NEXT_TRACK, SERVICE_MEDIA_PREVIOUS_TRACK, SERVICE_MEDIA_SEEK)
 
@@ -79,6 +79,7 @@ YOUTUBE_COVER_URL_FORMAT = 'https://img.youtube.com/vi/{}/1.jpg'
 SERVICE_TO_METHOD = {
     SERVICE_TURN_ON: 'turn_on',
     SERVICE_TURN_OFF: 'turn_off',
+    SERVICE_TOGGLE: 'toggle',
     SERVICE_VOLUME_UP: 'volume_up',
     SERVICE_VOLUME_DOWN: 'volume_down',
     SERVICE_MEDIA_PLAY_PAUSE: 'media_play_pause',
@@ -131,6 +132,12 @@ def turn_off(hass, entity_id=None):
     hass.services.call(DOMAIN, SERVICE_TURN_OFF, data)
 
 
+def toggle(hass, entity_id=None):
+    """ Will toggle specified media player or all. """
+    data = {ATTR_ENTITY_ID: entity_id} if entity_id else {}
+    hass.services.call(DOMAIN, SERVICE_TOGGLE, data)
+
+
 def volume_up(hass, entity_id=None):
     """ Send the media player the command for volume up. """
     data = {ATTR_ENTITY_ID: entity_id} if entity_id else {}
@@ -532,6 +539,13 @@ class MediaPlayerDevice(Entity):
         """ Boolean if play media command supported. """
         return bool(self.supported_media_commands & SUPPORT_PLAY_MEDIA)
 
+    def toggle(self):
+        """ Toggles the power on the media player. """
+        if self.state in [STATE_OFF, STATE_IDLE]:
+            self.turn_on()
+        else:
+            self.turn_off()
+
     def volume_up(self):
         """ volume_up media player. """
         if self.volume_level < 1:
diff --git a/homeassistant/components/switch/__init__.py b/homeassistant/components/switch/__init__.py
index a05a673c3dd..8fb930b6a59 100644
--- a/homeassistant/components/switch/__init__.py
+++ b/homeassistant/components/switch/__init__.py
@@ -15,7 +15,8 @@ from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import ToggleEntity
 
 from homeassistant.const import (
-    STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, ATTR_ENTITY_ID)
+    STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, SERVICE_TOGGLE,
+    ATTR_ENTITY_ID)
 from homeassistant.components import (
     group, discovery, wink, isy994, verisure, zwave, tellduslive, mysensors)
 
@@ -71,6 +72,12 @@ def turn_off(hass, entity_id=None):
     hass.services.call(DOMAIN, SERVICE_TURN_OFF, data)
 
 
+def toggle(hass, entity_id=None):
+    """ Toggle all or specified switch. """
+    data = {ATTR_ENTITY_ID: entity_id} if entity_id else None
+    hass.services.call(DOMAIN, SERVICE_TOGGLE, data)
+
+
 def setup(hass, config):
     """ Track states and offer events for switches. """
     component = EntityComponent(
@@ -85,6 +92,8 @@ def setup(hass, config):
         for switch in target_switches:
             if service.service == SERVICE_TURN_ON:
                 switch.turn_on()
+            elif service.service == SERVICE_TOGGLE:
+                switch.toggle()
             else:
                 switch.turn_off()
 
@@ -97,6 +106,8 @@ def setup(hass, config):
                            descriptions.get(SERVICE_TURN_OFF))
     hass.services.register(DOMAIN, SERVICE_TURN_ON, handle_switch_service,
                            descriptions.get(SERVICE_TURN_ON))
+    hass.services.register(DOMAIN, SERVICE_TOGGLE, handle_switch_service,
+                           descriptions.get(SERVICE_TOGGLE))
 
     return True
 
diff --git a/homeassistant/const.py b/homeassistant/const.py
index 97e26f8d33a..c493b9d056e 100644
--- a/homeassistant/const.py
+++ b/homeassistant/const.py
@@ -126,6 +126,7 @@ SERVICE_HOMEASSISTANT_STOP = "stop"
 
 SERVICE_TURN_ON = 'turn_on'
 SERVICE_TURN_OFF = 'turn_off'
+SERVICE_TOGGLE = 'toggle'
 
 SERVICE_VOLUME_UP = "volume_up"
 SERVICE_VOLUME_DOWN = "volume_down"
diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index fd2611889c9..576a107ee7b 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -174,3 +174,10 @@ class ToggleEntity(Entity):
     def turn_off(self, **kwargs):
         """ Turn the entity off. """
         pass
+
+    def toggle(self, **kwargs):
+        """ Toggle the entity off. """
+        if self.state == STATE_ON:
+            self.turn_off(**kwargs)
+        else:
+            self.turn_on(**kwargs)