diff --git a/Octokit.Reactive/Clients/IObservableIssueCommentsClient.cs b/Octokit.Reactive/Clients/IObservableIssueCommentsClient.cs
new file mode 100644
index 00000000..ae1797b0
--- /dev/null
+++ b/Octokit.Reactive/Clients/IObservableIssueCommentsClient.cs
@@ -0,0 +1,63 @@
+
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Octokit.Reactive.Clients
+{
+    public interface IObservableIssueCommentsClient
+    {
+        /// <summary>
+        /// Gets a single Issue Comment by number.
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/issues/comments/#get-a-single-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The issue number</param>
+        /// <returns></returns>
+        [SuppressMessage("Microsoft.Naming", "CA1716:IdentifiersShouldNotMatchKeywords", MessageId = "Get",
+            Justification = "Method makes a network request")]
+        IObservable<IssueComment> Get(string owner, string name, int number);
+
+        /// <summary>
+        /// Gets Issue Comments for a repository.
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/issues/comments/#list-comments-in-a-repository</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <returns></returns>
+        IObservable<IReadOnlyList<IssueComment>> GetForRepository(string owner, string name);
+
+        /// <summary>
+        /// Gets Issue Comments for a specified Issue.
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/issues/comments/#list-comments-on-an-issue</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The issue number</param>
+        /// <returns></returns>
+        IObservable<IReadOnlyList<IssueComment>> GetForIssue(string owner, string name, int number);
+
+        /// <summary>
+        /// Creates a new Issue Comment for a specified Issue.
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/issues/comments/#create-a-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The number of the issue</param>
+        /// <param name="newComment">The new comment to add to the issue</param>
+        /// <returns></returns>
+        IObservable<IssueComment> Create(string owner, string name, int number, string newComment);
+
+        /// <summary>
+        /// Updates a specified Issue Comment.
+        /// </summary>
+        /// <remarks>http://developer.github.com/v3/issues/comments/#edit-a-comment</remarks>
+        /// <param name="owner">The owner of the repository</param>
+        /// <param name="name">The name of the repository</param>
+        /// <param name="number">The comment number</param>
+        /// <param name="commentUpdate">The modified comment</param>
+        /// <returns></returns>
+        IObservable<IssueComment> Update(string owner, string name, int number, string commentUpdate);
+    }
+}
diff --git a/Octokit.Reactive/Octokit.Reactive.csproj b/Octokit.Reactive/Octokit.Reactive.csproj
index e52fe16b..3f4aa361 100644
--- a/Octokit.Reactive/Octokit.Reactive.csproj
+++ b/Octokit.Reactive/Octokit.Reactive.csproj
@@ -80,6 +80,7 @@
     <Compile Include="Clients\IObservableMilestonesClient.cs" />
     <Compile Include="Clients\ObservableIssuesClient.cs" />
     <Compile Include="Clients\ObservableMilestonesClient.cs" />
+    <Compile Include="Clients\IObservableIssueCommentsClient.cs" />
     <Compile Include="Clients\ObservableAssigneesClient.cs" />
     <Compile Include="Clients\IObservableCommitStatusClient.cs" />
     <Compile Include="Clients\ObservableCommitStatusClient.cs" />