diff --git a/bin/vagrant b/bin/vagrant
index 272b4ea68..5f6725b50 100755
--- a/bin/vagrant
+++ b/bin/vagrant
@@ -99,6 +99,17 @@ begin
     $VERBOSE = nil
   end
 
+  # Add any option flags defined within this file here
+  # so they are automatically propagated to all commands
+  Vagrant.add_default_cli_options(proc { |o|
+    o.on("--[no-]color", "Enable or disable color output")
+    o.on("--machine-readable", "Enable machine readable output")
+    o.on("-v", "--version", "Display Vagrant version")
+    o.on("--debug", "Enable debug output")
+    o.on("--timestamp", "Enable timestamps on log output")
+    o.on("--debug-timestamp", "Enable debug output with timestamps")
+  })
+
   # Create a logger right away
   logger = Log4r::Logger.new("vagrant::bin::vagrant")
   logger.info("`vagrant` invoked: #{ARGV.inspect}")
diff --git a/lib/vagrant.rb b/lib/vagrant.rb
index 66840226f..98dcac650 100644
--- a/lib/vagrant.rb
+++ b/lib/vagrant.rb
@@ -9,6 +9,31 @@ class Log4r::BasicFormatter
   end
 end
 
+
+require "optparse"
+
+module Vagrant
+  # This is a customized OptionParser for Vagrant plugins. It
+  # will automatically add any default CLI options defined
+  # outside of command implementations to the local option
+  # parser instances in use
+  class OptionParser < ::OptionParser
+    def initialize(*_)
+      super
+      Vagrant.default_cli_options.each do |opt_proc|
+        opt_proc.call(self)
+      end
+    end
+  end
+end
+
+# Inject the option parser into the vagrant plugins
+# module so it is automatically used when defining
+# command options
+module VagrantPlugins
+  OptionParser = Vagrant::OptionParser
+end
+
 require "vagrant/shared_helpers"
 require "rubygems"
 require "vagrant/util"
diff --git a/lib/vagrant/plugin/v2/command.rb b/lib/vagrant/plugin/v2/command.rb
index 5b39ef49f..967dbda0f 100644
--- a/lib/vagrant/plugin/v2/command.rb
+++ b/lib/vagrant/plugin/v2/command.rb
@@ -51,7 +51,7 @@ module Vagrant
           argv = @argv.dup
 
           # Default opts to a blank optionparser if none is given
-          opts ||= OptionParser.new
+          opts ||= Vagrant::OptionParser.new
 
           # Add the help option, which must be on every command.
           opts.on_tail("-h", "--help", "Print this help") do
diff --git a/lib/vagrant/shared_helpers.rb b/lib/vagrant/shared_helpers.rb
index 5cab18f39..4bcfaadf0 100644
--- a/lib/vagrant/shared_helpers.rb
+++ b/lib/vagrant/shared_helpers.rb
@@ -186,4 +186,32 @@ module Vagrant
     end
     @_global_logger
   end
+
+  # Add a new block of default CLI options which
+  # should be automatically added to all commands
+  #
+  # @param [Proc] block Proc instance containing OptParser configuration
+  # @return [nil]
+  def self.add_default_cli_options(block)
+    if !block.is_a?(Proc)
+      raise TypeError,
+        "Expecting type `Proc` but received `#{block.class}`"
+    end
+    if block.arity != 1 && block.arity != -1
+      raise ArgumentError,
+        "Proc must accept OptionParser argument"
+    end
+    @_default_cli_options = [] if !@_default_cli_options
+    @_default_cli_options << block
+    nil
+  end
+
+  # Array of default CLI options to automatically
+  # add to commands.
+  #
+  # @return [Array<Proc>] Default optparse options
+  def self.default_cli_options
+    @_default_cli_options = [] if !@_default_cli_options
+    @_default_cli_options.dup
+  end
 end
diff --git a/test/unit/bin/vagrant_test.rb b/test/unit/bin/vagrant_test.rb
index 08edcb20e..d3f0b19ca 100644
--- a/test/unit/bin/vagrant_test.rb
+++ b/test/unit/bin/vagrant_test.rb
@@ -93,6 +93,22 @@ describe "vagrant bin" do
     end
   end
 
+  context "default CLI flags" do
+    let(:argv) { ["--help"] }
+
+    before do
+      allow(env).to receive(:ui).and_return(ui)
+      allow(ARGV).to receive(:dup).and_return(argv)
+      allow(Kernel).to receive(:at_exit)
+      allow(Kernel).to receive(:exit)
+      allow(Vagrant::Environment).to receive(:new).and_call_original
+    end
+
+    it "should include default CLI flags in command help output" do
+      expect($stdout).to receive(:puts).with(/--debug/)
+    end
+  end
+
   context "when not in installer" do
     let(:warning) { "INSTALLER WARNING" }
 
diff --git a/test/unit/vagrant/shared_helpers_test.rb b/test/unit/vagrant/shared_helpers_test.rb
index 7ff41e6a6..fda3bc073 100644
--- a/test/unit/vagrant/shared_helpers_test.rb
+++ b/test/unit/vagrant/shared_helpers_test.rb
@@ -8,14 +8,14 @@ describe Vagrant do
 
   subject { described_class }
 
-  describe "#global_lock" do
+  describe ".global_lock" do
     it "yields to the block" do
       result = subject.global_lock { 42 }
       expect(result).to eq(42)
     end
   end
 
-  describe "#in_installer?" do
+  describe ".in_installer?" do
     it "is not if env is not set" do
       with_temp_env("VAGRANT_INSTALLER_ENV" => nil) do
         expect(subject.in_installer?).to be(false)
@@ -29,7 +29,7 @@ describe Vagrant do
     end
   end
 
-  describe "#installer_embedded_dir" do
+  describe ".installer_embedded_dir" do
     it "returns nil if not in an installer" do
       allow(Vagrant).to receive(:in_installer?).and_return(false)
       expect(subject.installer_embedded_dir).to be_nil
@@ -44,7 +44,7 @@ describe Vagrant do
     end
   end
 
-  describe "#plugins_enabled?" do
+  describe ".plugins_enabled?" do
     it "returns true if the env is not set" do
       with_temp_env("VAGRANT_NO_PLUGINS" => nil) do
         expect(subject.plugins_enabled?).to be(true)
@@ -58,7 +58,7 @@ describe Vagrant do
     end
   end
 
-  describe "#server_url" do
+  describe ".server_url" do
     it "defaults to the default value" do
       with_temp_env("VAGRANT_SERVER_URL" => nil) do
         expect(subject.server_url).to eq(
@@ -92,7 +92,7 @@ describe Vagrant do
     end
   end
 
-  describe "#user_data_path" do
+  describe ".user_data_path" do
     around do |example|
       env = {
         "USERPROFILE" => nil,
@@ -132,7 +132,7 @@ describe Vagrant do
     end
   end
 
-  describe "#prerelease?" do
+  describe ".prerelease?" do
     it "should return true when Vagrant version is development" do
       stub_const("Vagrant::VERSION", "1.0.0.dev")
       expect(subject.prerelease?).to be(true)
@@ -144,7 +144,7 @@ describe Vagrant do
     end
   end
 
-  describe "#enable_resolv_replace" do
+  describe ".enable_resolv_replace" do
     it "should not attempt to require resolv-replace by default" do
       expect(subject).not_to receive(:require).with("resolv-replace")
       subject.enable_resolv_replace
@@ -163,7 +163,7 @@ describe Vagrant do
     end
   end
 
-  describe "#global_logger" do
+  describe ".global_logger" do
     after{ subject.global_logger = nil }
 
     it "should return a logger when none have been provided" do
@@ -176,4 +176,26 @@ describe Vagrant do
       expect(subject.global_logger).to eq(logger)
     end
   end
+
+  describe ".add_default_cli_options" do
+    it "should raise a type error when no provided with proc" do
+      expect { subject.add_default_cli_options(true) }.
+        to raise_error(TypeError)
+    end
+
+    it "should raise an argument error when proc does not accept argument" do
+      expect { subject.add_default_cli_options(proc{}) }.
+        to raise_error(ArgumentError)
+    end
+
+    it "should accept a proc type argument" do
+      expect(subject.add_default_cli_options(proc{|o|})).to be_nil
+    end
+  end
+
+  describe ".default_cli_options" do
+    it "should return array of items" do
+      expect(subject.default_cli_options).to be_a(Array)
+    end
+  end
 end