diff --git a/config/notifiers.go b/config/notifiers.go
index 7d52aed1a8..d6a63218e5 100644
--- a/config/notifiers.go
+++ b/config/notifiers.go
@@ -766,6 +766,7 @@ type TelegramConfig struct {
 	BotToken             Secret `yaml:"bot_token,omitempty" json:"token,omitempty"`
 	BotTokenFile         string `yaml:"bot_token_file,omitempty" json:"token_file,omitempty"`
 	ChatID               int64  `yaml:"chat_id,omitempty" json:"chat,omitempty"`
+	MessageThreadID      int32  `yaml:"message_thread_id,omitempty" json:"message_thread_id,omitempty"`
 	Message              string `yaml:"message,omitempty" json:"message,omitempty"`
 	DisableNotifications bool   `yaml:"disable_notifications,omitempty" json:"disable_notifications,omitempty"`
 	ParseMode            string `yaml:"parse_mode,omitempty" json:"parse_mode,omitempty"`
diff --git a/config/notifiers_test.go b/config/notifiers_test.go
index de1bb5f96b..af348b9ff5 100644
--- a/config/notifiers_test.go
+++ b/config/notifiers_test.go
@@ -21,7 +21,6 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-
 	"gopkg.in/yaml.v2"
 )
 
@@ -1046,6 +1045,14 @@ bot_token_file: ''
 			in: `
 bot_token: xyz
 chat_id: 123
+`,
+		},
+		{
+			name: "with bot_token, chat_id and message_thread_id set - it succeeds",
+			in: `
+bot_token: xyz
+chat_id: 123
+message_thread_id: 456
 `,
 		},
 		{
diff --git a/docs/configuration.md b/docs/configuration.md
index fa9878399c..134f686bc8 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -1308,6 +1308,9 @@ attributes:
 # ID of the chat where to send the messages.
 [ chat_id: <int> ]
 
+# Optional ID of the message thread where to send the messages.
+[ message_thread_id: <int> ]
+
 # Message template.
 [ message: <tmpl_string> default = '{{ template "telegram.default.message" .}}' ]
 
diff --git a/notify/telegram/telegram.go b/notify/telegram/telegram.go
index 3e60ab7641..4dd4c212b8 100644
--- a/notify/telegram/telegram.go
+++ b/notify/telegram/telegram.go
@@ -93,6 +93,7 @@ func (n *Notifier) Notify(ctx context.Context, alert ...*types.Alert) (bool, err
 	message, err := n.client.Send(telebot.ChatID(n.conf.ChatID), messageText, &telebot.SendOptions{
 		DisableNotification:   n.conf.DisableNotifications,
 		DisableWebPagePreview: true,
+		ThreadID:              int(n.conf.MessageThreadID),
 	})
 	if err != nil {
 		return true, err
diff --git a/notify/telegram/telegram_test.go b/notify/telegram/telegram_test.go
index c48034ca70..70373a0c03 100644
--- a/notify/telegram/telegram_test.go
+++ b/notify/telegram/telegram_test.go
@@ -46,6 +46,7 @@ receivers:
   telegram_configs:
   - chat_id: 1234
     bot_token: secret
+    message_thread_id: 1357
 `
 	var c config.Config
 	err := yaml.Unmarshal([]byte(in), &c)
@@ -57,6 +58,7 @@ receivers:
 	require.Equal(t, "https://api.telegram.org", c.Receivers[0].TelegramConfigs[0].APIUrl.String())
 	require.Equal(t, config.Secret("secret"), c.Receivers[0].TelegramConfigs[0].BotToken)
 	require.Equal(t, int64(1234), c.Receivers[0].TelegramConfigs[0].ChatID)
+	require.Equal(t, int64(1357), c.Receivers[0].TelegramConfigs[0].MessageThreadID)
 	require.Equal(t, "HTML", c.Receivers[0].TelegramConfigs[0].ParseMode)
 }