diff --git a/modules/ECMPoQmTools.cmake b/modules/ECMPoQmTools.cmake
--- a/modules/ECMPoQmTools.cmake
+++ b/modules/ECMPoQmTools.cmake
@@ -47,8 +47,12 @@
 # ::
 #
 #   ecm_install_po_files_as_qm(<podir>)
+#                              [PO_PATTERN <po_pattern>])
 #
-# Searches for .po files and installs them to the standard location.
+# Searches for .po files whose name without extension matches the globbing
+# expression <po_pattern> (default value: *) and installs them to the
+# standard location.
+# PO_PATTERN option available since 5.32.
 #
 # This is a convenience function which relies on all .po files being kept in
 # ``<podir>/<lang>/``, where ``<lang>`` is the language the .po files are
@@ -59,9 +63,13 @@
 #  po/
 #    fr/
 #      mylib.po
+#      otherlib.po
 #
 # ``ecm_install_po_files_as_qm(po)`` compiles ``mylib.po`` into ``mylib.mo`` and
-# installs it in ``<install_destination>/fr/LC_MESSAGES``.
+# installs it in ``<install_destination>/fr/LC_MESSAGES``. ``otherlib.po``
+# is handled in the same way.
+# ``ecm_install_po_files_as_qm(po PO_FILTER "my*")`` works like the previous
+# case, but only ``mylib.po`` is matched, compiled and installed.
 # ``<install_destination>`` defaults to ``${LOCALE_INSTALL_DIR}`` if defined,
 # otherwise it uses ``${CMAKE_INSTALL_LOCALEDIR}`` if that is defined, otherwise
 # it uses ``share/locale``.
@@ -205,15 +213,28 @@
 
 
 function(ecm_install_po_files_as_qm podir)
+    # Parse arguments
+    set(options)
+    set(oneValueArgs PO_PATTERN)
+    set(multiValueArgs)
+    cmake_parse_arguments(ECM_IASQ "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    if(ECM_IASQ_UNPARSED_ARGUMENTS)
+        message(FATAL_ERROR "Unknown keywords given to ecm_install_po_files_as_qm(): \"${ECM_IASQ_UNPARSED_ARGUMENTS}\"")
+    endif()
+
+    if(NOT ECM_IASQ_PO_PATTERN)
+        set(ECM_IASQ_PO_PATTERN "*")
+    endif()
     if (LOCALE_INSTALL_DIR)
         set(install_destination "${LOCALE_INSTALL_DIR}")
     elseif (CMAKE_INSTALL_LOCALEDIR)
         set(install_destination "${CMAKE_INSTALL_LOCALEDIR}")
     else()
         set(install_destination share/locale)
     endif()
 
-    file(GLOB po_files "${podir}/*/*.po")
+    file(GLOB po_files "${podir}/*/${ECM_IASQ_PO_PATTERN}.po")
     foreach(po_file ${po_files})
         get_filename_component(po_dir ${po_file} DIRECTORY)
         get_filename_component(lang ${po_dir} NAME)
diff --git a/tests/ECMPoQmToolsTest/CMakeLists.txt b/tests/ECMPoQmToolsTest/CMakeLists.txt
--- a/tests/ECMPoQmToolsTest/CMakeLists.txt
+++ b/tests/ECMPoQmToolsTest/CMakeLists.txt
@@ -46,6 +46,15 @@
 
 # Should create a bunch of .qm files and install them in
 # ${CMAKE_INSTALL_LOCALEDIR}
+# Should ignore files directly under po/ as well as directories under po/ which
+# do not contain any .po files and files whose name does not contain the
+# specified pattern.
+set(CMAKE_INSTALL_LOCALEDIR custom-dir-pofilter)
+ecm_install_po_files_as_qm(pofilter PO_PATTERN "*pattern*")
+
+
+# Should create a bunch of .qm files and install them in
+# ${CMAKE_INSTALL_LOCALEDIR}
 set(CMAKE_INSTALL_LOCALEDIR custom-dir1)
 ecm_install_po_files_as_qm(po-custom-dir1)
 
diff --git a/tests/ECMPoQmToolsTest/check.cmake.in b/tests/ECMPoQmToolsTest/check.cmake.in
--- a/tests/ECMPoQmToolsTest/check.cmake.in
+++ b/tests/ECMPoQmToolsTest/check.cmake.in
@@ -26,6 +26,10 @@
     "share/locale/en/LC_MESSAGES/catalog2.qm"
     "share/locale/de/LC_MESSAGES/catalog.qm"
     "share/locale/de/LC_MESSAGES/catalog2.qm"
+    "custom-dir-pofilter/es/LC_MESSAGES/install-pattern1.qm"
+    "custom-dir-pofilter/es/LC_MESSAGES/install-pattern2.qm"
+    "custom-dir-pofilter/fr/LC_MESSAGES/install-pattern1.qm"
+    "custom-dir-pofilter/fr/LC_MESSAGES/install-pattern2.qm"
     "custom-dir1/es/LC_MESSAGES/custom-dir1-install-test.qm"
     "custom-dir1/fr/LC_MESSAGES/custom-dir1-install-test.qm"
     "custom-dir2/es/LC_MESSAGES/custom-dir2-install-test.qm"
diff --git a/tests/ECMPoQmToolsTest/pofilter/es/install-pattern1.po b/tests/ECMPoQmToolsTest/pofilter/es/install-pattern1.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/es/install-pattern1.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/es/install-pattern2.po b/tests/ECMPoQmToolsTest/pofilter/es/install-pattern2.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/es/install-pattern2.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/es/install-test.po b/tests/ECMPoQmToolsTest/pofilter/es/install-test.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/es/install-test.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern1.po b/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern1.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern1.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern2.po b/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern2.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/fr/install-pattern2.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/fr/install-test.po b/tests/ECMPoQmToolsTest/pofilter/fr/install-test.po
new file mode 100644
--- /dev/null
+++ b/tests/ECMPoQmToolsTest/pofilter/fr/install-test.po
@@ -0,0 +1,18 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Language: fr\n"
+"POT-Creation-Date: \n"
+"PO-Revision-Date: \n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Qt-Contexts: true\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: ../../home/aurelien/src/kf5/frameworks/kbookmarks/src/kbookmark.cpp:307
+msgctxt "KBookmark|Bookmark separator"
+msgid "--- separator ---"
+msgstr ""
diff --git a/tests/ECMPoQmToolsTest/pofilter/no-po/placeholder b/tests/ECMPoQmToolsTest/pofilter/no-po/placeholder
new file mode 100644
diff --git a/tests/ECMPoQmToolsTest/pofilter/should-not-be-installed b/tests/ECMPoQmToolsTest/pofilter/should-not-be-installed
new file mode 100644