The present disclosure provides for merging of instant messaging (IM) chat sessions. In one embodiment, a method for automatically replying to an IM message from a first IM sender when a recipient is engaged in an IM session with a second IM sender is provided. In another embodiment, the disclosure provides a method for forwarding IM messages to a recipient at different IM clients. In still another embodiment, a method for transferring IM messages to a different recipient is provided. In some embodiments, two separate IM chat sessions are merged into a single IM chat session.