diff --git a/pyfar/coordinates.py b/pyfar/coordinates.py
index bff6420..7d14258 100644
--- a/pyfar/coordinates.py
+++ b/pyfar/coordinates.py
@@ -1887,6 +1887,25 @@ def cyl2cart(azimuth, height, radius):
 
     return x, y, z
 
+    def copy(self):
+        """Return a copy of the coordinates.
+        
+        Returns
+        -------
+        Coordinates
+            A copy of the coordinates.
+        """
+        return Coordinates(
+            self._points[:, 0].copy(), 
+            self._points[:, 1].copy(), 
+            self._points[:, 2].copy(),
+            domain=self._system['domain'],
+            convention=self._system['convention'],
+            unit=self._system['unit'],
+            weights=self._weights.copy() if self._weights is not None else None,
+            sh_order=self._sh_order,
+            comment=self._comment)
+
     # def __setitem__(self, index, item):
     #     """Set Coordinates at index
     #     """
diff --git a/pyfar/orientations.py b/pyfar/orientations.py
index 0baa856..a68cc1b 100644
--- a/pyfar/orientations.py
+++ b/pyfar/orientations.py
@@ -205,3 +205,13 @@ class Orientations(Rotation):
             raise ValueError(f"Expected assigned value to have shape"
                              f" or (1, 4), got {quat.shape}")
         self._quat[idx] = quat
+
+    def copy(self):
+        """Return a copy of the orientations.
+        
+        Returns
+        -------
+        Orientations
+            A copy of the orientations.
+        """
+        return Orientations(self.as_quat())
diff --git a/pyfar/signal.py b/pyfar/signal.py
index daee267..95b915b 100644
--- a/pyfar/signal.py
+++ b/pyfar/signal.py
@@ -394,6 +394,26 @@ class Signal(Audio):
         """
         return SignalIterator(self._data.__iter__(), self)
 
+    def copy(self):
+        """Return a copy of the signal.
+        
+        Returns a shallow copy of the Signal object with deep copies of 
+        the underlying data arrays.
+        
+        Returns
+        -------
+        Signal
+            A copy of the signal.
+        """
+        return Signal(
+            self._data.copy(),
+            sampling_rate=self._sampling_rate,
+            n_samples=self._n_samples,
+            domain=self._domain,
+            fft_norm=self._fft_norm,
+            dtype=self._dtype,
+            comment=self._comment)
+
 
 class SignalIterator(object):
     """Iterator for signals