diff --git a/eddy/core/commands/project.py b/eddy/core/commands/project.py
index 4394c2b8..0f9b3699 100644
--- a/eddy/core/commands/project.py
+++ b/eddy/core/commands/project.py
@@ -38,6 +38,33 @@
 from eddy.core.datatypes.graphol import Item
 
 
+class CommandProjectRename(QtWidgets.QUndoCommand):
+    """
+    Extends QtWidgets.QUndoCommand with facilities to rename the Project.
+    """
+    def __init__(self, undo, redo, project):
+        """
+        Initialize the command.
+        :type undo: str
+        :type redo: str
+        :type project: Project
+        """
+        super().__init__("rename project '{0}' to '{1}'".format(undo, redo))
+        self.project = project
+        self.undo = undo
+        self.redo = redo
+
+    def redo(self):
+        """redo the command"""
+        self.project.name = self.redo
+        self.project.sgnUpdated.emit()
+
+    def undo(self):
+        """undo the command"""
+        self.project.name = self.undo
+        self.project.sgnUpdated.emit()
+
+
 #############################################
 #   Ontology IRI
 #################################
diff --git a/eddy/plugins/project-explorer/project_explorer.py b/eddy/plugins/project-explorer/project_explorer.py
index 5c805efb..b0cc14a6 100644
--- a/eddy/plugins/project-explorer/project_explorer.py
+++ b/eddy/plugins/project-explorer/project_explorer.py
@@ -33,14 +33,18 @@
 ##########################################################################
 
 
-from PyQt5 import QtCore
-from PyQt5 import QtGui
-from PyQt5 import QtWidgets
+from PyQt5 import (
+    QtCore,
+    QtGui,
+    QtWidgets,
+)
 
 from eddy.core.datatypes.qt import Font
+from eddy.core.diagram import Diagram
 from eddy.core.functions.misc import first, natsorted
 from eddy.core.functions.signals import connect, disconnect
 from eddy.core.plugin import AbstractPlugin
+from eddy.core.project import Project
 from eddy.ui.dock import DockWidget
 
 
@@ -61,6 +65,7 @@ def onSessionReady(self):
         self.debug('Connecting to project: %s', self.project.name)
         connect(self.project.sgnDiagramAdded, widget.doAddDiagram)
         connect(self.project.sgnDiagramRemoved, widget.doRemoveDiagram)
+        connect(self.project.sgnUpdated, widget.onProjectUpdated)
         widget.setProject(self.project)
 
     #############################################
@@ -76,6 +81,7 @@ def dispose(self):
         self.debug('Disconnecting from project: %s', self.project.name)
         disconnect(self.project.sgnDiagramAdded, widget.doAddDiagram)
         disconnect(self.project.sgnDiagramRemoved, widget.doRemoveDiagram)
+        disconnect(self.project.sgnUpdated, widget.onProjectUpdated)
 
         # DISCONNECT FROM ACTIVE SESSION
         self.debug('Disconnecting from active session')
@@ -246,7 +252,7 @@ def onItemActivated(self, index):
         # noinspection PyArgumentList
         if QtWidgets.QApplication.mouseButtons() == QtCore.Qt.NoButton:
             item = self.model.itemFromIndex(self.proxy.mapToSource(index))
-            if item and item.data():
+            if item and isinstance(item.data(), Diagram):
                 self.sgnItemActivated.emit(item.data())
                 # KEEP FOCUS ON THE TREE VIEW UNLESS SHIFT IS PRESSED
                 if QtWidgets.QApplication.queryKeyboardModifiers() & QtCore.Qt.SHIFT:
@@ -268,7 +274,7 @@ def onItemDoubleClicked(self, index):
         # noinspection PyArgumentList
         if QtWidgets.QApplication.mouseButtons() & QtCore.Qt.LeftButton:
             item = self.model.itemFromIndex(self.proxy.mapToSource(index))
-            if item and item.data():
+            if item and isinstance(item.data(), Diagram):
                 self.sgnItemDoubleClicked.emit(item.data())
 
     @QtCore.pyqtSlot('QModelIndex')
@@ -280,9 +286,16 @@ def onItemPressed(self, index):
         # noinspection PyArgumentList
         if QtWidgets.QApplication.mouseButtons() & QtCore.Qt.LeftButton:
             item = self.model.itemFromIndex(self.proxy.mapToSource(index))
-            if item and item.data():
+            if item and isinstance(item.data(), Diagram):
                 self.sgnItemClicked.emit(item.data())
 
+    @QtCore.pyqtSlot()
+    def onProjectUpdated(self):
+        """
+        Executed when the project is updated.
+        """
+        self.root.setText(self.project.name)
+
     #############################################
     #   EVENTS
     #################################
@@ -318,9 +331,11 @@ def setProject(self, project):
         Set the project explorer to browse the given project.
         :type project: Project
         """
+        self.project = project
         self.model.clear()
         self.model.appendRow(self.root)
         self.root.setText(project.name)
+        self.root.setData(project)
         connect(self.sgnFakeDiagramAdded, self.doAddDiagram)
         for diagram in project.diagrams():
             self.sgnFakeDiagramAdded.emit(diagram)
@@ -400,8 +415,8 @@ def mouseReleaseEvent(self, mouseEvent):
                 model = self.model().sourceModel()
                 index = self.model().mapToSource(index)
                 item = model.itemFromIndex(index)
-                diagram = item.data()
-                if diagram:
+                itemData = item.data()
+                if isinstance(itemData, Diagram):
                     menu = QtWidgets.QMenu()
                     menu.addAction(self.session.action('new_diagram'))
                     menu.addSeparator()
@@ -409,9 +424,14 @@ def mouseReleaseEvent(self, mouseEvent):
                     menu.addAction(self.session.action('remove_diagram'))
                     menu.addSeparator()
                     menu.addAction(self.session.action('diagram_properties'))
-                    self.session.action('rename_diagram').setData(diagram)
-                    self.session.action('remove_diagram').setData(diagram)
-                    self.session.action('diagram_properties').setData(diagram)
+                    self.session.action('rename_diagram').setData(itemData)
+                    self.session.action('remove_diagram').setData(itemData)
+                    self.session.action('diagram_properties').setData(itemData)
+                    menu.exec_(mouseEvent.screenPos().toPoint())
+                elif isinstance(itemData, Project):
+                    menu = QtWidgets.QMenu()
+                    menu.addAction(self.session.action('rename_project'))
+                    self.session.action('rename_project').setData(itemData)
                     menu.exec_(mouseEvent.screenPos().toPoint())
 
         super().mouseReleaseEvent(mouseEvent)
diff --git a/eddy/ui/forms.py b/eddy/ui/forms.py
index 0bc12073..f3a3923a 100644
--- a/eddy/ui/forms.py
+++ b/eddy/ui/forms.py
@@ -546,3 +546,42 @@ def onNameFieldChanged(self, name):
         self.warnLabel.setVisible(not isEmpty(caption))
         self.confirmationBox.button(QtWidgets.QDialogButtonBox.Ok).setEnabled(enabled)
         self.setFixedSize(self.sizeHint())
+
+
+class RenameProjectForm(AbstractDiagramForm):
+    """
+    This class is used to display a modal window used to rename the project.
+    """
+
+    def __init__(self, project, parent=None):
+        """
+        Initialize the new dialog.
+        :type project: Project
+        :type parent: QtWidgets.QWidget
+        """
+        super().__init__(project, parent)
+        self.project = project
+        self.nameField.setText(self.project.name)
+        self.setWindowTitle('Rename project: {0}'.format(self.project.name))
+
+    #############################################
+    #   SLOTS
+    #################################
+
+    @QtCore.pyqtSlot(str)
+    def onNameFieldChanged(self, name):
+        """
+        Executed when the content of the input field changes.
+        :type name: str
+        """
+        name = name.strip()
+        if not name:
+            caption = ''
+            enabled = False
+        else:
+            caption = ''
+            enabled = True
+        self.warnLabel.setText(caption)
+        self.warnLabel.setVisible(not isEmpty(caption))
+        self.confirmationBox.button(QtWidgets.QDialogButtonBox.Ok).setEnabled(enabled)
+        self.setFixedSize(self.sizeHint())
diff --git a/eddy/ui/session.py b/eddy/ui/session.py
index 5142db08..81d81242 100644
--- a/eddy/ui/session.py
+++ b/eddy/ui/session.py
@@ -84,6 +84,7 @@
     CommandNodeSwitchTo,
 )
 from eddy.core.commands.project import (
+    CommandProjectRename,
     CommandProjectSetProfile,
 )
 from eddy.core.common import (
@@ -215,6 +216,7 @@
     NewDiagramForm,
     RefactorNameForm,
     RenameDiagramForm,
+    RenameProjectForm,
 )
 from eddy.ui.import_ontology import ImportOntologyDialog
 from eddy.ui.iri import (
@@ -653,6 +655,11 @@ def initActions(self) -> None:
             statusTip='Open a diagram and add it to the current project',
             triggered=self.doOpen))
 
+        self.addAction(QtWidgets.QAction(
+            QtGui.QIcon(':/icons/24/ic_label_outline_black'), 'Rename...',
+            self, objectName='rename_project', statusTip='Rename project',
+            triggered=self.doRenameProject))
+
         self.addAction(QtWidgets.QAction(
             QtGui.QIcon(':/icons/24/ic_close_black'), 'Close Project', self,
             objectName='close_project', shortcut='CTRL+SHIFT+W',
@@ -2649,6 +2656,19 @@ def doRenameDiagram(self) -> None:
                 name = form.nameField.value()
                 self.undostack.push(CommandDiagramRename(diagram.name, name, diagram, self.project))
 
+    @QtCore.pyqtSlot()
+    def doRenameProject(self) -> None:
+        """
+        Renames a project.
+        """
+        action = self.sender()
+        project = action.data()
+        if project:
+            form = RenameProjectForm(project, self)
+            if form.exec_() == RenameProjectForm.Accepted:
+                name = form.nameField.value()
+                self.undostack.push(CommandProjectRename(project.name, name, project))
+
     @QtCore.pyqtSlot()
     def doSave(self) -> None:
         """
@@ -3265,6 +3285,7 @@ def doUpdateState(self) -> None:
         self.widget('select_reasoner').setEnabled(not isProjectEmpty)
         # self.action('reset_reasoner').setEnabled(not isProjectEmpty)
         self.action('ontology_consistency_check').setEnabled(not isProjectEmpty)
+        self.setWindowTitle(self.project)
 
     @QtCore.pyqtSlot()
     def doRenderByFullIRI(self) -> None: