diff --git a/esphome/components/es8156/audio_dac.py b/esphome/components/es8156/audio_dac.py
index a805fb3f704..c5fb6096da8 100644
--- a/esphome/components/es8156/audio_dac.py
+++ b/esphome/components/es8156/audio_dac.py
@@ -2,14 +2,12 @@ import esphome.codegen as cg
 from esphome.components import i2c
 from esphome.components.audio_dac import AudioDac
 import esphome.config_validation as cv
-from esphome.const import CONF_BITS_PER_SAMPLE, CONF_ID
+from esphome.const import CONF_AUDIO_DAC, CONF_BITS_PER_SAMPLE, CONF_ID
 import esphome.final_validate as fv
 
 CODEOWNERS = ["@kbx81"]
 DEPENDENCIES = ["i2c"]
 
-CONF_AUDIO_DAC = "audio_dac"
-
 es8156_ns = cg.esphome_ns.namespace("es8156")
 ES8156 = es8156_ns.class_("ES8156", AudioDac, cg.Component, i2c.I2CDevice)
 
diff --git a/esphome/components/speaker/__init__.py b/esphome/components/speaker/__init__.py
index 18e1d9782cc..10ee6d52125 100644
--- a/esphome/components/speaker/__init__.py
+++ b/esphome/components/speaker/__init__.py
@@ -2,7 +2,7 @@ from esphome import automation
 import esphome.codegen as cg
 from esphome.components import audio, audio_dac
 import esphome.config_validation as cv
-from esphome.const import CONF_DATA, CONF_ID, CONF_VOLUME
+from esphome.const import CONF_AUDIO_DAC, CONF_DATA, CONF_ID, CONF_VOLUME
 from esphome.core import CORE, ID
 from esphome.coroutine import CoroPriority, coroutine_with_priority
 
@@ -11,8 +11,6 @@ CODEOWNERS = ["@jesserockz", "@kahrendt"]
 
 IS_PLATFORM_COMPONENT = True
 
-CONF_AUDIO_DAC = "audio_dac"
-
 speaker_ns = cg.esphome_ns.namespace("speaker")
 
 Speaker = speaker_ns.class_("Speaker")
diff --git a/esphome/const.py b/esphome/const.py
index 4243b2e25d3..4bf47b8f835 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -149,6 +149,7 @@ CONF_ASSUMED_STATE = "assumed_state"
 CONF_AT = "at"
 CONF_ATTENUATION = "attenuation"
 CONF_ATTRIBUTE = "attribute"
+CONF_AUDIO_DAC = "audio_dac"
 CONF_AUTH = "auth"
 CONF_AUTO_CLEAR_ENABLED = "auto_clear_enabled"
 CONF_AUTO_MODE = "auto_mode"