diff --git a/src/irc.coffee b/src/irc.coffee
index 4d6a0de..1fcd55b 100644
--- a/src/irc.coffee
+++ b/src/irc.coffee
@@ -136,6 +136,7 @@ class IrcBot extends Adapter
       realName: process.env.HUBOT_IRC_REALNAME
       port:     process.env.HUBOT_IRC_PORT
       rooms:    process.env.HUBOT_IRC_ROOMS.split(",")
+      ignoreUsers: process.env.HUBOT_IRC_IGNORE_USERS?.split(",") or []
       server:   process.env.HUBOT_IRC_SERVER
       password: process.env.HUBOT_IRC_PASSWORD
       nickpass: process.env.HUBOT_IRC_NICKSERV_PASSWORD
@@ -201,6 +202,11 @@ class IrcBot extends Adapter
         # this is a private message, let the 'pm' listener handle it
         return
 
+      if from in options.ignoreUsers
+        console.log('Ignoring user: %s', from)
+        # we'll ignore this message if it's from someone we want to ignore
+        return
+
       console.log "From #{from} to #{to}: #{message}"
 
       user = self.createUser to, from
@@ -215,6 +221,12 @@ class IrcBot extends Adapter
 
     bot.addListener 'action', (from, to, message) ->
       console.log " * From #{from} to #{to}: #{message}"
+
+      if from in options.ignoreUsers
+        console.log('Ignoring user: %s', from)
+        # we'll ignore this message if it's from someone we want to ignore
+        return
+
       user = self.createUser to, from
       if user.room
         console.log "#{to} * #{from} #{message}"
@@ -232,6 +244,11 @@ class IrcBot extends Adapter
       if process.env.HUBOT_IRC_PRIVATE
         return
 
+      if nick in options.ignoreUsers
+        console.log('Ignoring user: %s', nick)
+        # we'll ignore this message if it's from someone we want to ignore
+        return
+
       nameLength = options.nick.length
       if message.slice(0, nameLength).toLowerCase() != options.nick.toLowerCase()
         message = "#{options.nick} #{message}"
@@ -254,6 +271,11 @@ class IrcBot extends Adapter
     bot.addListener 'invite', (channel, from) ->
       console.log('%s invited you to join %s', from, channel)
 
+      if from in options.ignoreUsers
+        console.log('Ignoring user: %s', from)
+        # we'll ignore this message if it's from someone we want to ignore
+        return
+      
       if not process.env.HUBOT_IRC_PRIVATE or process.env.HUBOT_IRC_IGNOREINVITE
         bot.join channel