diff --git a/qiskit_experiments/framework/experiment_data.py b/qiskit_experiments/framework/experiment_data.py
index 20fab44cc8..3428875086 100644
--- a/qiskit_experiments/framework/experiment_data.py
+++ b/qiskit_experiments/framework/experiment_data.py
@@ -1311,6 +1311,12 @@ def figure(
                 raise ExperimentEntryNotFound(f"Figure {figure_key} not found.")
             figure_key = self._figures.keys()[figure_key]
 
+        # All figures must have '.svg' in their names when added, as the extension is added to the key
+        # name in the `add_figures()` method of this class.
+        if isinstance(figure_key, str):
+            if not figure_key.endswith(".svg"):
+                figure_key += ".svg"
+
         figure_data = self._figures.get(figure_key, None)
         if figure_data is None and self.service:
             figure = self.service.figure(experiment_id=self.experiment_id, figure_name=figure_key)
diff --git a/releasenotes/notes/access_figure_without_extension-5b7438c19e223d6b.yaml b/releasenotes/notes/access_figure_without_extension-5b7438c19e223d6b.yaml
new file mode 100644
index 0000000000..bb7d34a29d
--- /dev/null
+++ b/releasenotes/notes/access_figure_without_extension-5b7438c19e223d6b.yaml
@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    Figures in `ExperimentData` objects can now be accessed without '.svg' extension.
\ No newline at end of file
diff --git a/test/database_service/test_db_experiment_data.py b/test/database_service/test_db_experiment_data.py
index 3cbfa52928..3d83fa8512 100644
--- a/test/database_service/test_db_experiment_data.py
+++ b/test/database_service/test_db_experiment_data.py
@@ -409,6 +409,8 @@ def test_get_figure(self):
         exp_data = ExperimentData(experiment_type="qiskit_test")
         figure_template = "hello world {}"
         name_template = "figure_{}.svg"
+        name_template_wo_ext = "figure_{}"
+
         for idx in range(3):
             exp_data.add_figures(
                 str.encode(figure_template.format(idx)), figure_names=name_template.format(idx)
@@ -418,6 +420,11 @@ def test_get_figure(self):
         self.assertEqual(expected_figure, exp_data.figure(name_template.format(idx)).figure)
         self.assertEqual(expected_figure, exp_data.figure(idx).figure)
 
+        # Check that figure will be returned without file extension in name
+        expected_figure = str.encode(figure_template.format(idx))
+        self.assertEqual(expected_figure, exp_data.figure(name_template_wo_ext.format(idx)).figure)
+        self.assertEqual(expected_figure, exp_data.figure(idx).figure)
+
         file_name = uuid.uuid4().hex
         self.addCleanup(os.remove, file_name)
         exp_data.figure(idx, file_name)