diff --git a/plugins/provisioners/puppet/config/puppet.rb b/plugins/provisioners/puppet/config/puppet.rb
index 47215ca92..568de5fdb 100644
--- a/plugins/provisioners/puppet/config/puppet.rb
+++ b/plugins/provisioners/puppet/config/puppet.rb
@@ -13,6 +13,7 @@ module VagrantPlugins
         attr_accessor :manifests_path
         attr_accessor :environment
         attr_accessor :environment_path
+        attr_accessor :environment_variables
         attr_accessor :module_path
         attr_accessor :options
         attr_accessor :synced_folder_type
@@ -23,18 +24,19 @@ module VagrantPlugins
         def initialize
           super
 
-          @binary_path        = UNSET_VALUE
-          @hiera_config_path  = UNSET_VALUE
-          @manifest_file      = UNSET_VALUE
-          @manifests_path     = UNSET_VALUE
-          @environment        = UNSET_VALUE
-          @environment_path   = UNSET_VALUE
-          @module_path        = UNSET_VALUE
-          @options            = []
-          @facter             = {}
-          @synced_folder_type = UNSET_VALUE
-          @temp_dir           = UNSET_VALUE
-          @working_directory  = UNSET_VALUE
+          @binary_path           = UNSET_VALUE
+          @hiera_config_path     = UNSET_VALUE
+          @manifest_file         = UNSET_VALUE
+          @manifests_path        = UNSET_VALUE
+          @environment           = UNSET_VALUE
+          @environment_path      = UNSET_VALUE
+          @environment_variables = UNSET_VALUE
+          @module_path           = UNSET_VALUE
+          @options               = []
+          @facter                = {}
+          @synced_folder_type    = UNSET_VALUE
+          @temp_dir              = UNSET_VALUE
+          @working_directory     = UNSET_VALUE
         end
 
         def nfs=(value)
@@ -87,6 +89,10 @@ module VagrantPlugins
             end
           end
 
+          if @environment_variables == UNSET_VALUE
+            @environment_variables = {}
+          end
+
           @binary_path        = nil     if @binary_path == UNSET_VALUE
           @module_path        = nil     if @module_path == UNSET_VALUE
           @synced_folder_type = nil     if @synced_folder_type == UNSET_VALUE
diff --git a/plugins/provisioners/puppet/provisioner/puppet.rb b/plugins/provisioners/puppet/provisioner/puppet.rb
index dcf6863aa..9f8912b7b 100644
--- a/plugins/provisioners/puppet/provisioner/puppet.rb
+++ b/plugins/provisioners/puppet/provisioner/puppet.rb
@@ -207,7 +207,7 @@ module VagrantPlugins
           options = options.join(" ")
 
           # Build up the custom facts if we have any
-          facter = ""
+          facter = nil
           if !config.facter.empty?
             facts = []
             config.facter.each do |key, value|
@@ -219,7 +219,7 @@ module VagrantPlugins
               facts.map! { |v| "$env:#{v};" }
             end
 
-            facter = "#{facts.join(" ")} "
+            facter = facts.join(" ")
           end
 
           puppet_bin = "puppet"
@@ -227,7 +227,28 @@ module VagrantPlugins
             puppet_bin = File.join(@config.binary_path, puppet_bin)
           end
 
-          command = "#{facter} #{puppet_bin} apply #{options}"
+          env_vars = nil
+          if !config.environment_variables.nil? && !config.environment_variables.empty?
+            env_vars = config.environment_variables.map do |env_key, env_value|
+              "#{env_key}=\"#{env_value}\""
+            end
+
+            if windows?
+              env_vars.map! do |env_var_string|
+                "$env:#{env_var_string}"
+              end
+            end
+
+            env_vars = env_vars.join(" ")
+          end
+
+          command = [
+            env_vars,
+            facter,
+            puppet_bin,
+            "apply",
+            options
+          ].compact.map(&:to_s).join(" ")
           if config.working_directory
             if windows?
               command = "cd #{config.working_directory}; if ($?) \{ #{command} \}"
diff --git a/website/source/docs/provisioning/puppet_apply.html.md b/website/source/docs/provisioning/puppet_apply.html.md
index 2de1c1542..cf1a69461 100644
--- a/website/source/docs/provisioning/puppet_apply.html.md
+++ b/website/source/docs/provisioning/puppet_apply.html.md
@@ -52,6 +52,9 @@ available below this section.
 * `environment_path` (string) - Path to the directory that contains environment
   files on the host disk.
 
+* `environment_variables` (hash) - A hash of string key/value pairs to be set as
+  environment variables before the puppet apply run.
+
 * `options` (array of strings) - Additionally options to pass to the
   Puppet executable when running Puppet.