diff --git a/rdftk_names/Cargo.toml b/rdftk_names/Cargo.toml
index 1deb916..c27711e 100644
--- a/rdftk_names/Cargo.toml
+++ b/rdftk_names/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rdftk_names"
-version = "0.2.3"
+version = "0.2.4"
 authors = ["Simon Johnston <johnstonskj@gmail.com>"]
 edition = "2021"
 description = "This crate provides a set of modules that contain the `IRI`s and `QName` strings for commonly used vocabularies. It also provides macro support for defining new namespaces in the same style as this library."
diff --git a/rdftk_names/README.md b/rdftk_names/README.md
index ac0430f..41455d5 100644
--- a/rdftk_names/README.md
+++ b/rdftk_names/README.md
@@ -74,6 +74,10 @@ namespace! {
 
 ## Changes
 
+### Version 0.2.4
+
+* Feature: add `skos` namespaces.
+
 ### Version 0.2.3
 
 * Feature: added missing `date` and `hex_binary` names in `xsd` namespace.
diff --git a/rdftk_names/src/lib.rs b/rdftk_names/src/lib.rs
index 7dbc543..0ef0bcb 100644
--- a/rdftk_names/src/lib.rs
+++ b/rdftk_names/src/lib.rs
@@ -216,6 +216,8 @@ pub mod rdf;
 
 pub mod rdfs;
 
+pub mod skos;
+
 pub mod xsd;
 
 // ------------------------------------------------------------------------------------------------
diff --git a/rdftk_names/src/skos.rs b/rdftk_names/src/skos.rs
new file mode 100644
index 0000000..2db627c
--- /dev/null
+++ b/rdftk_names/src/skos.rs
@@ -0,0 +1,104 @@
+/*!
+Namespaces for SKOS, SKOS eXtension for Labels (SKOS-XL), and the ISO-25964 thesaurus vocabulary.
+ */
+
+namespace! {
+    "skos",
+    "http://www.w3.org/2004/02/skos/core#",
+    {
+        collection, "Collection",
+        concept, "Concept",
+        concept_scheme, "ConceptScheme",
+        ordered_collection, "OrderedCollection",
+
+        alt_label, "altLabel",
+        broad_match, "broadMatch",
+        broader, "broader",
+        broader_transitive, "broaderTransitive",
+        change_note, "changeNote",
+        close_match, "closeMatch",
+        definition, "definition",
+        editorial_note, "editorialNote",
+        exact_match, "exactMatch",
+        example, "example",
+        has_top_concept, "hasTopConcept",
+        hidden_label, "hiddenLabel",
+        history_note, "historyNote",
+        in_scheme, "inScheme",
+        mapping_relation, "mappingRelation",
+        member, "member",
+        member_list, "memberList",
+        narrow_match, "narrowMatch",
+        narrower, "narrower",
+        narrower_transitive, "narrowerTransitive",
+        notation, "notation",
+        note, "note",
+        pref_label, "prefLabel",
+        related, "related",
+        related_match, "relatedMatch",
+        scope_note, "scopeNote",
+        semantic_relation, "semanticRelation",
+        top_concept_of, "topConceptOf"
+    }
+}
+
+/// SKOS eXtension for Labels (SKOS-XL)
+pub mod xl {
+    namespace! {
+        "skosxl",
+        "http://www.w3.org/2008/05/skos-xl#",
+        {
+            label, "Label",
+            literal_form, "literalForm",
+            pref_label, "prefLabel",
+            alt_label, "altLabel",
+            label_relation, "labelRelation"
+        }
+    }
+}
+
+/// ISO-25964 thesaurus vocabulary
+pub mod iso {
+    namespace! {
+        "isothes",
+        "http://purl.org/iso25964/skos-thes#",
+        {
+            compound_equivalence, "CompoundEquivalence",
+            concept_group, "ConceptGroup",
+            preferred_term, "PreferredTerm",
+            thesaurus_array, "ThesaurusArray",
+
+            micro_thesaurus_of, "microThesaurusOf",
+            plus_uf_term, "plusUFTerm",
+            plus_use_term, "plusUseTerm",
+            sub_group, "subGroup",
+            subordinate_array, "subordinateArray",
+            super_group, "superGroup",
+            super_ordinate, "superOrdinate",
+
+            broader_generic, "broaderGeneric",
+            broader_instantial, "broaderInstantial",
+            broader_partitive, "broaderPartitive",
+            narrower_generic, "narrowerGeneric",
+            narrower_instantial, "narrowerInstantial",
+            narrower_partitive, "narrowerPartitive"
+        }
+    }
+}
+
+/// See https://www.w3.org/2003/06/sw-vocab-status/note.html
+pub mod term_status {
+    namespace! {
+        "status",
+        "http://www.w3.org/2003/06/sw-vocab-status/ns#",
+        {
+            term_status, "term_status"
+        }
+    }
+    pub const STATUS_ARCHAIC: &str = "archaic";
+    pub const STATUS_DEPRECATED: &str = "deprecated";
+    pub const STATUS_PROPOSED: &str = "proposed";
+    pub const STATUS_STABLE: &str = "stable";
+    pub const STATUS_TESTING: &str = "testing";
+    pub const STATUS_UNSTABLE: &str = "unstable";
+}