diff --git a/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/DTDPlugin.java b/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/DTDPlugin.java
index 5416e7d20..64c7caa29 100644
--- a/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/DTDPlugin.java
+++ b/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/DTDPlugin.java
@@ -16,9 +16,11 @@
 import org.eclipse.lsp4xml.extensions.dtd.contentmodel.CMDTDContentModelProvider;
 import org.eclipse.lsp4xml.extensions.dtd.participants.DTDDefinitionParticipant;
 import org.eclipse.lsp4xml.extensions.dtd.participants.DTDHighlightingParticipant;
+import org.eclipse.lsp4xml.extensions.dtd.participants.DTDReferenceParticipant;
 import org.eclipse.lsp4xml.extensions.dtd.participants.diagnostics.DTDDiagnosticsParticipant;
 import org.eclipse.lsp4xml.services.extensions.IDefinitionParticipant;
 import org.eclipse.lsp4xml.services.extensions.IHighlightingParticipant;
+import org.eclipse.lsp4xml.services.extensions.IReferenceParticipant;
 import org.eclipse.lsp4xml.services.extensions.IXMLExtension;
 import org.eclipse.lsp4xml.services.extensions.XMLExtensionsRegistry;
 import org.eclipse.lsp4xml.services.extensions.diagnostics.IDiagnosticsParticipant;
@@ -32,11 +34,13 @@ public class DTDPlugin implements IXMLExtension {
 	private final IDiagnosticsParticipant diagnosticsParticipant;
 	private final IDefinitionParticipant definitionParticipant;
 	private IHighlightingParticipant highlightingParticipant;
+	private IReferenceParticipant referenceParticipant;
 
 	public DTDPlugin() {
 		diagnosticsParticipant = new DTDDiagnosticsParticipant();
 		definitionParticipant = new DTDDefinitionParticipant();
 		highlightingParticipant = new DTDHighlightingParticipant();
+		referenceParticipant = new DTDReferenceParticipant();
 	}
 
 	@Override
@@ -56,6 +60,8 @@ public void start(InitializeParams params, XMLExtensionsRegistry registry) {
 		registry.registerDefinitionParticipant(definitionParticipant);
 		// register highlighting participant
 		registry.registerHighlightingParticipant(highlightingParticipant);
+		// register reference participant
+		registry.registerReferenceParticipant(referenceParticipant);
 	}
 
 	@Override
@@ -66,5 +72,7 @@ public void stop(XMLExtensionsRegistry registry) {
 		registry.unregisterDefinitionParticipant(definitionParticipant);
 		// unregister highlighting participant
 		registry.unregisterHighlightingParticipant(highlightingParticipant);
+		// register reference participant
+		registry.unregisterReferenceParticipant(referenceParticipant);
 	}
 }
diff --git a/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/participants/DTDReferenceParticipant.java b/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/participants/DTDReferenceParticipant.java
new file mode 100644
index 000000000..422c24167
--- /dev/null
+++ b/org.eclipse.lsp4xml/src/main/java/org/eclipse/lsp4xml/extensions/dtd/participants/DTDReferenceParticipant.java
@@ -0,0 +1,53 @@
+/*******************************************************************************
+* Copyright (c) 2019 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lsp4xml.extensions.dtd.participants;
+
+import java.util.List;
+
+import org.eclipse.lsp4j.Location;
+import org.eclipse.lsp4j.Position;
+import org.eclipse.lsp4j.ReferenceContext;
+import org.eclipse.lsp4j.jsonrpc.CancelChecker;
+import org.eclipse.lsp4xml.dom.DOMDocument;
+import org.eclipse.lsp4xml.dom.DOMNode;
+import org.eclipse.lsp4xml.dom.DTDElementDecl;
+import org.eclipse.lsp4xml.extensions.dtd.utils.DTDUtils;
+import org.eclipse.lsp4xml.services.extensions.AbstractReferenceParticipant;
+import org.eclipse.lsp4xml.utils.XMLPositionUtility;
+
+/**
+ * DTD reference
+ * 
+ * @author Angelo ZERR
+ *
+ */
+public class DTDReferenceParticipant extends AbstractReferenceParticipant {
+
+	@Override
+	protected boolean match(DOMDocument document) {
+		return true;
+	}
+
+	@Override
+	protected void findReferences(DOMNode node, Position position, int offset, ReferenceContext context,
+			List<Location> locations, CancelChecker cancelChecker) {
+		// DTD reference works only when references is done on an <!ELEMENT name
+		if (!node.isDTDElementDecl()) {
+			return;
+		}
+		DTDElementDecl elementDecl = (DTDElementDecl) node;
+		if (!elementDecl.isInNameParameter(offset)) {
+			return;
+		}
+		DTDUtils.searchDTDOriginElementDecls(elementDecl,
+				(origin, target) -> locations.add(XMLPositionUtility.createLocation(origin)), cancelChecker);
+	}
+
+}
diff --git a/org.eclipse.lsp4xml/src/test/java/org/eclipse/lsp4xml/extensions/dtd/DTDReferenceExtensionsTest.java b/org.eclipse.lsp4xml/src/test/java/org/eclipse/lsp4xml/extensions/dtd/DTDReferenceExtensionsTest.java
new file mode 100644
index 000000000..f4ce03716
--- /dev/null
+++ b/org.eclipse.lsp4xml/src/test/java/org/eclipse/lsp4xml/extensions/dtd/DTDReferenceExtensionsTest.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+* Copyright (c) 2019 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lsp4xml.extensions.dtd;
+
+import static org.eclipse.lsp4xml.XMLAssert.l;
+import static org.eclipse.lsp4xml.XMLAssert.r;
+
+import org.eclipse.lsp4j.Location;
+import org.eclipse.lsp4xml.XMLAssert;
+import org.eclipse.lsp4xml.commons.BadLocationException;
+import org.junit.Test;
+
+/**
+ * DTD references tests
+ *
+ */
+public class DTDReferenceExtensionsTest {
+
+	@Test
+	public void referencesOnDTDElementName() throws BadLocationException {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n" + //
+				"<!DOCTYPE note [\r\n" + //
+				"	<!ELEMENT no|te (to,from,heading,body, note?)>\r\n" + // <-- references on <!ELEMENT note
+				"	<!ATTLIST note version CDATA #REQUIRED>\r\n" + //
+				"]>";
+		testReferencesFor(xml, l("test.xml", r(2, 39, 2, 43)), l("test.xml", r(3, 11, 3, 15)));
+	}
+
+	@Test
+	public void noReferencesAfterElementName() throws BadLocationException {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n" + //
+				"<!DOCTYPE note [\r\n" + //
+				"	<!ELEMENT note (to,from,heading,body, note?|)>\r\n" + // <--after ?, no references
+				"	<!ATTLIST note version CDATA #REQUIRED>\r\n" + //
+				"]>";
+		testReferencesFor(xml);
+	}
+
+	@Test
+	public void noReferencesAfterDTDAttrListName() throws BadLocationException {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n" + //
+				"<!DOCTYPE note [\r\n" + //
+				"	<!ELEMENT note (to,from,heading,body, note?)>\r\n"
+				+ "	<!ATTLIST note version CD|ATA #REQUIRED>\r\n" + // // <-- in CDATA, no references
+				"]>";
+		testReferencesFor(xml);
+	}
+
+	@Test
+	public void noReferencesOnDTDAttListName() throws BadLocationException {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n" + //
+				"<!DOCTYPE note [\r\n" + //
+				"	<!ELEMENT note (to,from,heading,body, note?)>\r\n" + //
+				"	<!ATTLIST no|te version CDATA #REQUIRED>\r\n" + // <-- no references on <!ATTLIST no|te
+				"]>";
+		testReferencesFor(xml);
+	}
+
+	@Test
+	public void noReferencesOnDTDElementChildName() throws BadLocationException {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\r\n" + //
+				"<!DOCTYPE note [\r\n" + //
+				"	<!ELEMENT note (to,from,heading,body, no|te?)>\r\n" + // <-- no references on child (... no|te?
+				"	<!ATTLIST note version CDATA #REQUIRED>\r\n" + //
+				"]>";
+		testReferencesFor(xml);
+	}
+
+	private void testReferencesFor(String xml, Location... expectedItems) throws BadLocationException {
+		XMLAssert.testReferencesFor(xml, "test.xml", expectedItems);
+	}
+}