diff --git a/app/controllers/admin/spending_proposals_controller.rb b/app/controllers/admin/spending_proposals_controller.rb
index d6457ea20..4a910f6d9 100644
--- a/app/controllers/admin/spending_proposals_controller.rb
+++ b/app/controllers/admin/spending_proposals_controller.rb
@@ -7,7 +7,7 @@ class Admin::SpendingProposalsController < Admin::BaseController
   load_and_authorize_resource
 
   def index
-    @spending_proposals = geozone_filter(params[:geozone_id].presence).includes(:geozone, administrator: :user, valuators: :user).send(@current_filter).order(created_at: :desc).page(params[:page])
+    @spending_proposals = SpendingProposal.search(params, @current_filter).order(created_at: :desc).page(params[:page])
   end
 
   def show
@@ -26,17 +26,5 @@ class Admin::SpendingProposalsController < Admin::BaseController
     @spending_proposal.update(params.require(:spending_proposal).permit(valuator_ids: []))
   end
 
-  private
-
-    def geozone_filter(geozone)
-      case geozone
-      when nil
-        @spending_proposals
-      when 'all'
-        @spending_proposals.where(geozone_id: nil)
-      else
-        @spending_proposals.where(geozone_id: params[:geozone_id].presence)
-      end
-    end
 
 end
diff --git a/app/helpers/admin_helper.rb b/app/helpers/admin_helper.rb
index f986eee8d..515a54deb 100644
--- a/app/helpers/admin_helper.rb
+++ b/app/helpers/admin_helper.rb
@@ -12,6 +12,10 @@ module AdminHelper
     options
   end
 
+  def admin_select_options
+    Administrator.all.order('users.username asc').includes(:user).collect { |v| [ v.name, v.id ] }
+  end
+
   private
 
     def namespace
diff --git a/app/models/spending_proposal.rb b/app/models/spending_proposal.rb
index 221528582..9497dcae3 100644
--- a/app/models/spending_proposal.rb
+++ b/app/models/spending_proposal.rb
@@ -23,10 +23,36 @@ class SpendingProposal < ActiveRecord::Base
   scope :valuating, -> { where("valuation_assignments_count > 0 AND valuation_finished = ?", false) }
   scope :valuation_finished, -> { where(valuation_finished: true) }
 
+  scope :for_render, -> { includes(:geozone, administrator: :user, valuators: :user) }
+
   def description
     super.try :html_safe
   end
 
+  def self.search(params, current_filter)
+    results = self
+    results = results.by_geozone(params[:geozone_id])             if params[:geozone_id].present?
+    results = results.by_administrator(params[:administrator_id]) if params[:administrator_id].present?
+    results = results.send(current_filter)                        if current_filter.present?
+    results = results.for_render
+    results
+  end
+
+  def self.by_geozone(geozone)
+    case geozone
+    when nil
+      self
+    when 'all'
+      where(geozone_id: nil)
+    else
+      where(geozone_id: geozone.presence)
+    end
+  end
+
+  def self.by_administrator(administrator)
+    where(administrator_id: administrator.presence)
+  end
+
   def feasibility
     case feasible
     when true
diff --git a/app/views/admin/spending_proposals/index.html.erb b/app/views/admin/spending_proposals/index.html.erb
index 8bd95ff74..18be63a1b 100644
--- a/app/views/admin/spending_proposals/index.html.erb
+++ b/app/views/admin/spending_proposals/index.html.erb
@@ -1,11 +1,21 @@
 <h2><%= t("admin.spending_proposals.index.title") %></h2>
 
-<div class="small-12 medium-4 column float-right">
+<div>
   <%= form_tag admin_spending_proposals_path, method: :get, enforce_utf8: false do %>
-    <%= select_tag :geozone_id, options_for_select(geozone_select_options.unshift([t("geozones.none"), "all"]), params[:geozone_id]),
-                  { prompt: t("admin.spending_proposals.index.geozone_filter_all"),
-                    label: false,
-                    class: "js-submit-on-change"} %>
+    <div class="small-12 medium-4 column float-right">
+      <%= select_tag :geozone_id,
+                     options_for_select(geozone_select_options.unshift([t("geozones.none"), "all"]), params[:geozone_id]),
+                     { prompt: t("admin.spending_proposals.index.geozone_filter_all"),
+                       label: false,
+                       class: "js-submit-on-change" } %>
+    </div>
+    <div class="small-12 medium-4 column float-right">
+      <%= select_tag :administrator_id,
+                      options_for_select(admin_select_options, params[:administrator_id]),
+                      { prompt: t("admin.spending_proposals.index.administrator_filter_all"),
+                        label: false,
+                        class: "js-submit-on-change" } %>
+    </div>
   <% end %>
 </div>
 
diff --git a/config/locales/admin.en.yml b/config/locales/admin.en.yml
index 6a5f01b8a..c44f216e4 100755
--- a/config/locales/admin.en.yml
+++ b/config/locales/admin.en.yml
@@ -151,7 +151,7 @@ en:
     spending_proposals:
       index:
         geozone_filter_all: All zones
-        valuator_filter_all: All valuators
+        administrator_filter_all: All administrators
         filters:
           all: All
           without_admin: Without assigned admin
diff --git a/config/locales/admin.es.yml b/config/locales/admin.es.yml
index 22d0f62da..986e8671a 100644
--- a/config/locales/admin.es.yml
+++ b/config/locales/admin.es.yml
@@ -151,7 +151,7 @@ es:
     spending_proposals:
       index:
         geozone_filter_all: Todos los ámbitos de actuación
-        valuator_filter_all: Todos los evaluadores
+        administrator_filter_all: Todos los administradores
         filters:
           all: Todas
           without_admin: Sin administrador asignado
diff --git a/spec/features/admin/spending_proposals_spec.rb b/spec/features/admin/spending_proposals_spec.rb
index a357c4007..2f2ba8c4b 100644
--- a/spec/features/admin/spending_proposals_spec.rb
+++ b/spec/features/admin/spending_proposals_spec.rb
@@ -74,6 +74,28 @@ feature 'Admin spending proposals' do
     expect(page).to have_link("Destroy the city")
   end
 
+  scenario "Index filtering by admin", :js do
+    user = create(:user, username: 'Admin 1')
+    administrator = create(:administrator, user: user)
+
+    create(:spending_proposal, title: "Realocate visitors", administrator: administrator)
+    create(:spending_proposal, title: "Destroy the city")
+
+    visit admin_spending_proposals_path
+    expect(page).to have_link("Realocate visitors")
+    expect(page).to have_link("Destroy the city")
+
+    select "Admin 1", from: "administrator_id"
+
+    expect(page).to have_link("Realocate visitors")
+    expect(page).to_not have_link("Destroy the city")
+
+    select "All administrators", from: "administrator_id"
+
+    expect(page).to have_link("Destroy the city")
+    expect(page).to have_link("Realocate visitors")
+  end
+
   scenario "Current filter is properly highlighted" do
     filters_links = {'all' => 'All',
                      'without_admin' => 'Without assigned admin',