diff --git a/akka-stream-tests/src/test/scala/akka/stream/scaladsl/FlowFilterSpec.scala b/akka-stream-tests/src/test/scala/akka/stream/scaladsl/FlowFilterSpec.scala
index 0f69f868aa..0ed829f002 100644
--- a/akka-stream-tests/src/test/scala/akka/stream/scaladsl/FlowFilterSpec.scala
+++ b/akka-stream-tests/src/test/scala/akka/stream/scaladsl/FlowFilterSpec.scala
@@ -36,9 +36,19 @@ class FlowFilterSpec extends AkkaSpec with ScriptedTest {
 
       probe.expectNext(1)
       probe.expectComplete()
-
     }
 
   }
 
+  "A FilterNot" must {
+    "filter based on inverted predicate" in {
+      def script = Script(TestConfig.RandomTestRange map
+        { _ ⇒
+          val x = random.nextInt()
+          Seq(x) -> (if ((x & 1) == 1) Seq(x) else Seq())
+        }: _*)
+      TestConfig.RandomTestRange foreach (_ ⇒ runScript(script, settings)(_.filterNot(_ % 2 == 0)))
+    }
+  }
+
 }
diff --git a/akka-stream/src/main/scala/akka/stream/javadsl/Flow.scala b/akka-stream/src/main/scala/akka/stream/javadsl/Flow.scala
index 51eb310596..50dbf02e50 100644
--- a/akka-stream/src/main/scala/akka/stream/javadsl/Flow.scala
+++ b/akka-stream/src/main/scala/akka/stream/javadsl/Flow.scala
@@ -310,6 +310,20 @@ final class Flow[-In, +Out, +Mat](delegate: scaladsl.Flow[In, Out, Mat]) extends
   def filter(p: function.Predicate[Out]): javadsl.Flow[In, Out, Mat] =
     new Flow(delegate.filter(p.test))
 
+  /**
+   * Only pass on those elements that NOT satisfy the given predicate.
+   *
+   * '''Emits when''' the given predicate returns false for the element
+   *
+   * '''Backpressures when''' the given predicate returns false for the element and downstream backpressures
+   *
+   * '''Completes when''' upstream completes
+   *
+   * '''Cancels when''' downstream cancels
+   */
+  def filterNot(p: function.Predicate[Out]): javadsl.Flow[In, Out, Mat] =
+    new Flow(delegate.filterNot(p.test))
+
   /**
    * Transform this stream by applying the given partial function to each of the elements
    * on which the function is defined as they pass through this processing step.
diff --git a/akka-stream/src/main/scala/akka/stream/javadsl/Source.scala b/akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
index e7e036e4fc..ff6889c0cd 100644
--- a/akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
+++ b/akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
@@ -506,6 +506,12 @@ class Source[+Out, +Mat](delegate: scaladsl.Source[Out, Mat]) extends Graph[Sour
   def filter(p: function.Predicate[Out]): javadsl.Source[Out, Mat] =
     new Source(delegate.filter(p.test))
 
+  /**
+   * Only pass on those elements that NOT satisfy the given predicate.
+   */
+  def filterNot(p: function.Predicate[Out]): javadsl.Source[Out, Mat] =
+    new Source(delegate.filterNot(p.test))
+
   /**
    * Transform this stream by applying the given partial function to each of the elements
    * on which the function is defined as they pass through this processing step.
diff --git a/akka-stream/src/main/scala/akka/stream/scaladsl/Flow.scala b/akka-stream/src/main/scala/akka/stream/scaladsl/Flow.scala
index 04eef540ac..7ba5ee4736 100644
--- a/akka-stream/src/main/scala/akka/stream/scaladsl/Flow.scala
+++ b/akka-stream/src/main/scala/akka/stream/scaladsl/Flow.scala
@@ -491,6 +491,20 @@ trait FlowOps[+Out, +Mat] {
    */
   def filter(p: Out ⇒ Boolean): Repr[Out, Mat] = andThen(Filter(p.asInstanceOf[Any ⇒ Boolean]))
 
+  /**
+   * Only pass on those elements that NOT satisfy the given predicate.
+   *
+   * '''Emits when''' the given predicate returns false for the element
+   *
+   * '''Backpressures when''' the given predicate returns false for the element and downstream backpressures
+   *
+   * '''Completes when''' upstream completes
+   *
+   * '''Cancels when''' downstream cancels
+   */
+  def filterNot(p: Out ⇒ Boolean): Repr[Out, Mat] =
+    via(Flow[Out].filter(!p(_)).withAttributes(name("filterNot")))
+
   /**
    * Terminate processing (and cancel the upstream publisher) after predicate
    * returns false for the first time. Due to input buffering some elements may have been