diff --git a/datasets/flwr_datasets/federated_dataset.py b/datasets/flwr_datasets/federated_dataset.py
index 6c41eaa3562f..1595abb9e750 100644
--- a/datasets/flwr_datasets/federated_dataset.py
+++ b/datasets/flwr_datasets/federated_dataset.py
@@ -20,7 +20,7 @@
 import datasets
 from datasets import Dataset, DatasetDict
 from flwr_datasets.partitioner import Partitioner
-from flwr_datasets.resplitter import Resplitter
+from flwr_datasets.preprocessor import Preprocessor
 from flwr_datasets.utils import (
     _check_if_dataset_tested,
     _instantiate_partitioners,
@@ -45,7 +45,7 @@ class FederatedDataset:
     subset : str
         Secondary information regarding the dataset, most often subset or version
         (that is passed to the name in datasets.load_dataset).
-    resplitter : Optional[Union[Resplitter, Dict[str, Tuple[str, ...]]]]
+    preprocessor : Optional[Union[Preprocessor, Dict[str, Tuple[str, ...]]]]
         `Callable` that transforms `DatasetDict` splits, or configuration dict for
         `MergeResplitter`.
     partitioners : Dict[str, Union[Partitioner, int]]
@@ -79,7 +79,7 @@ def __init__(
         *,
         dataset: str,
         subset: Optional[str] = None,
-        resplitter: Optional[Union[Resplitter, Dict[str, Tuple[str, ...]]]] = None,
+        preprocessor: Optional[Union[Preprocessor, Dict[str, Tuple[str, ...]]]] = None,
         partitioners: Dict[str, Union[Partitioner, int]],
         shuffle: bool = True,
         seed: Optional[int] = 42,
@@ -87,8 +87,8 @@ def __init__(
         _check_if_dataset_tested(dataset)
         self._dataset_name: str = dataset
         self._subset: Optional[str] = subset
-        self._resplitter: Optional[Resplitter] = _instantiate_resplitter_if_needed(
-            resplitter
+        self._resplitter: Optional[Preprocessor] = _instantiate_resplitter_if_needed(
+            preprocessor
         )
         self._partitioners: Dict[str, Partitioner] = _instantiate_partitioners(
             partitioners
diff --git a/datasets/flwr_datasets/federated_dataset_test.py b/datasets/flwr_datasets/federated_dataset_test.py
index 5d5179122e3b..f65aa6346f3a 100644
--- a/datasets/flwr_datasets/federated_dataset_test.py
+++ b/datasets/flwr_datasets/federated_dataset_test.py
@@ -170,20 +170,20 @@ def test_resplit_dataset_into_one(self) -> None:
         fds = FederatedDataset(
             dataset=self.dataset_name,
             partitioners={"train": 100},
-            resplitter={"full": ("train", self.test_split)},
+            preprocessor={"full": ("train", self.test_split)},
         )
         full = fds.load_split("full")
         self.assertEqual(dataset_length, len(full))
 
     # pylint: disable=protected-access
     def test_resplit_dataset_to_change_names(self) -> None:
-        """Test resplitter to change the names of the partitions."""
+        """Test preprocessor to change the names of the partitions."""
         if self.test_split is None:
             return
         fds = FederatedDataset(
             dataset=self.dataset_name,
             partitioners={"new_train": 100},
-            resplitter={
+            preprocessor={
                 "new_train": ("train",),
                 "new_" + self.test_split: (self.test_split,),
             },
@@ -195,7 +195,7 @@ def test_resplit_dataset_to_change_names(self) -> None:
         )
 
     def test_resplit_dataset_by_callable(self) -> None:
-        """Test resplitter to change the names of the partitions."""
+        """Test preprocessor to change the names of the partitions."""
         if self.test_split is None:
             return
 
@@ -209,7 +209,7 @@ def resplit(dataset: DatasetDict) -> DatasetDict:
             )
 
         fds = FederatedDataset(
-            dataset=self.dataset_name, partitioners={"train": 100}, resplitter=resplit
+            dataset=self.dataset_name, partitioners={"train": 100}, preprocessor=resplit
         )
         full = fds.load_split("full")
         dataset = datasets.load_dataset(self.dataset_name)
@@ -298,7 +298,7 @@ def resplit(dataset: DatasetDict) -> DatasetDict:
         fds = FederatedDataset(
             dataset="does-not-matter",
             partitioners={"train": 10},
-            resplitter=resplit,
+            preprocessor=resplit,
             shuffle=True,
         )
         train = fds.load_split("train")
@@ -411,7 +411,7 @@ def test_cannot_use_the_old_split_names(self) -> None:
         fds = FederatedDataset(
             dataset="mnist",
             partitioners={"train": 100},
-            resplitter={"full": ("train", "test")},
+            preprocessor={"full": ("train", "test")},
         )
         with self.assertRaises(ValueError):
             fds.load_partition(0, "train")
diff --git a/datasets/flwr_datasets/resplitter/resplitter.py b/datasets/flwr_datasets/preprocessor.py
similarity index 91%
rename from datasets/flwr_datasets/resplitter/resplitter.py
rename to datasets/flwr_datasets/preprocessor.py
index 206e2e85730c..c137b98eeeee 100644
--- a/datasets/flwr_datasets/resplitter/resplitter.py
+++ b/datasets/flwr_datasets/preprocessor.py
@@ -12,11 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-"""Resplitter."""
+"""Preprocessor."""
 
 
 from typing import Callable
 
 from datasets import DatasetDict
 
-Resplitter = Callable[[DatasetDict], DatasetDict]
+Preprocessor = Callable[[DatasetDict], DatasetDict]
diff --git a/datasets/flwr_datasets/resplitter/__init__.py b/datasets/flwr_datasets/resplitter/__init__.py
index e0b2dc0dcc1c..7d8e79ff9662 100644
--- a/datasets/flwr_datasets/resplitter/__init__.py
+++ b/datasets/flwr_datasets/resplitter/__init__.py
@@ -12,13 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-"""Resplitter package."""
+"""Preprocessor package."""
 
 
 from .merge_resplitter import MergeResplitter
-from .resplitter import Resplitter
 
 __all__ = [
     "MergeResplitter",
-    "Resplitter",
 ]
diff --git a/datasets/flwr_datasets/resplitter/merge_resplitter_test.py b/datasets/flwr_datasets/resplitter/merge_resplitter_test.py
index ebbdfb4022b0..ae9123e5c80c 100644
--- a/datasets/flwr_datasets/resplitter/merge_resplitter_test.py
+++ b/datasets/flwr_datasets/resplitter/merge_resplitter_test.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-"""Resplitter tests."""
+"""Preprocessor tests."""
 
 
 import unittest
@@ -25,7 +25,7 @@
 
 
 class TestResplitter(unittest.TestCase):
-    """Resplitter tests."""
+    """Preprocessor tests."""
 
     def setUp(self) -> None:
         """Set up the dataset with 3 splits for tests."""
diff --git a/datasets/flwr_datasets/utils.py b/datasets/flwr_datasets/utils.py
index c6f6900a99cd..c4bdf572a223 100644
--- a/datasets/flwr_datasets/utils.py
+++ b/datasets/flwr_datasets/utils.py
@@ -20,7 +20,7 @@
 
 from datasets import Dataset, DatasetDict, concatenate_datasets
 from flwr_datasets.partitioner import IidPartitioner, Partitioner
-from flwr_datasets.resplitter import Resplitter
+from flwr_datasets.preprocessor import Preprocessor
 from flwr_datasets.resplitter.merge_resplitter import MergeResplitter
 
 tested_datasets = [
@@ -76,12 +76,12 @@ def _instantiate_partitioners(
 
 
 def _instantiate_resplitter_if_needed(
-    resplitter: Optional[Union[Resplitter, Dict[str, Tuple[str, ...]]]]
-) -> Optional[Resplitter]:
-    """Instantiate `MergeResplitter` if resplitter is merge_config."""
+    resplitter: Optional[Union[Preprocessor, Dict[str, Tuple[str, ...]]]]
+) -> Optional[Preprocessor]:
+    """Instantiate `MergeResplitter` if preprocessor is merge_config."""
     if resplitter and isinstance(resplitter, Dict):
         resplitter = MergeResplitter(merge_config=resplitter)
-    return cast(Optional[Resplitter], resplitter)
+    return cast(Optional[Preprocessor], resplitter)
 
 
 def _check_if_dataset_tested(dataset: str) -> None:
diff --git a/examples/xgboost-comprehensive/client.py b/examples/xgboost-comprehensive/client.py
index 2d54c3fd63c7..08dd548a386b 100644
--- a/examples/xgboost-comprehensive/client.py
+++ b/examples/xgboost-comprehensive/client.py
@@ -32,7 +32,7 @@
 fds = FederatedDataset(
     dataset="jxie/higgs",
     partitioners={"train": partitioner},
-    resplitter=resplit,
+    preprocessor=resplit,
 )
 
 # Load the partition for this `partition_id`
diff --git a/examples/xgboost-comprehensive/server.py b/examples/xgboost-comprehensive/server.py
index 939819641438..07dc4bed6db4 100644
--- a/examples/xgboost-comprehensive/server.py
+++ b/examples/xgboost-comprehensive/server.py
@@ -32,7 +32,7 @@
 # Load centralised test set
 if centralised_eval:
     fds = FederatedDataset(
-        dataset="jxie/higgs", partitioners={"train": 20}, resplitter=resplit
+        dataset="jxie/higgs", partitioners={"train": 20}, preprocessor=resplit
     )
     log(INFO, "Loading centralised test set...")
     test_set = fds.load_split("test")
diff --git a/examples/xgboost-comprehensive/sim.py b/examples/xgboost-comprehensive/sim.py
index c9481f1cdd5d..09ebbb81fcb4 100644
--- a/examples/xgboost-comprehensive/sim.py
+++ b/examples/xgboost-comprehensive/sim.py
@@ -80,7 +80,7 @@ def main():
     fds = FederatedDataset(
         dataset="jxie/higgs",
         partitioners={"train": partitioner},
-        resplitter=resplit,
+        preprocessor=resplit,
     )
 
     # Load centralised test set