diff --git a/lib/matplotlib/backends/backend_cairo.py b/lib/matplotlib/backends/backend_cairo.py
index 779be155b492..789b13bdd5e3 100644
--- a/lib/matplotlib/backends/backend_cairo.py
+++ b/lib/matplotlib/backends/backend_cairo.py
@@ -337,7 +337,7 @@ def _draw_paths():
         _draw_paths()
 
     def draw_image(self, gc, x, y, im):
-        im = cbook._unmultipled_rgba8888_to_premultiplied_argb32(im[::-1])
+        im = cbook._unmultiplied_rgba8888_to_premultiplied_argb32(im[::-1])
         surface = cairo.ImageSurface.create_for_data(
             im.ravel().data, cairo.FORMAT_ARGB32,
             im.shape[1], im.shape[0], im.shape[1] * 4)
diff --git a/lib/matplotlib/backends/backend_gtk3agg.py b/lib/matplotlib/backends/backend_gtk3agg.py
index ef59c26060dd..be59670bb426 100644
--- a/lib/matplotlib/backends/backend_gtk3agg.py
+++ b/lib/matplotlib/backends/backend_gtk3agg.py
@@ -43,7 +43,7 @@ def on_draw_event(self, widget, ctx):
             width = int(bbox.x1) - int(bbox.x0)
             height = int(bbox.y1) - int(bbox.y0)
 
-            buf = cbook._unmultipled_rgba8888_to_premultiplied_argb32(
+            buf = cbook._unmultiplied_rgba8888_to_premultiplied_argb32(
                 np.asarray(self.copy_from_bbox(bbox)))
             image = cairo.ImageSurface.create_for_data(
                 buf.ravel().data, cairo.FORMAT_ARGB32, width, height)
diff --git a/lib/matplotlib/backends/backend_qt5agg.py b/lib/matplotlib/backends/backend_qt5agg.py
index 9275d5673059..a4fba25a55ee 100644
--- a/lib/matplotlib/backends/backend_qt5agg.py
+++ b/lib/matplotlib/backends/backend_qt5agg.py
@@ -53,7 +53,7 @@ def paintEvent(self, event):
             [[left, self.renderer.height - (top + height * self._dpi_ratio)],
              [left + width * self._dpi_ratio, self.renderer.height - top]])
         reg = self.copy_from_bbox(bbox)
-        buf = cbook._unmultipled_rgba8888_to_premultiplied_argb32(
+        buf = cbook._unmultiplied_rgba8888_to_premultiplied_argb32(
             memoryview(reg))
         qimage = QtGui.QImage(buf, buf.shape[1], buf.shape[0],
                               QtGui.QImage.Format_ARGB32_Premultiplied)
diff --git a/lib/matplotlib/cbook/__init__.py b/lib/matplotlib/cbook/__init__.py
index bbc77d9578cd..419e1ec13356 100644
--- a/lib/matplotlib/cbook/__init__.py
+++ b/lib/matplotlib/cbook/__init__.py
@@ -2060,7 +2060,7 @@ def _premultiplied_argb32_to_unmultiplied_rgba8888(buf):
     return rgba
 
 
-def _unmultipled_rgba8888_to_premultiplied_argb32(rgba8888):
+def _unmultiplied_rgba8888_to_premultiplied_argb32(rgba8888):
     """
     Convert an unmultiplied RGBA8888 buffer to a premultiplied ARGB32 buffer.
     """