diff --git a/flaschengeist/plugins/balance/balance_controller.py b/flaschengeist/plugins/balance/balance_controller.py
index 48a261b..0d9093b 100644
--- a/flaschengeist/plugins/balance/balance_controller.py
+++ b/flaschengeist/plugins/balance/balance_controller.py
@@ -3,13 +3,14 @@
 # English: Debit -> from account
 #         Credit -> to account
 from enum import IntEnum
-from sqlalchemy import func, case, and_
+from sqlalchemy import func, case, and_, or_
 from sqlalchemy.ext.hybrid import hybrid_property
 from datetime import datetime
 from werkzeug.exceptions import BadRequest, NotFound, Conflict
 
 from flaschengeist.database import db
 from flaschengeist.models.user import User, _UserAttribute
+from flaschengeist.app import logger
 
 from .models import Transaction
 from . import permissions, BalancePlugin
@@ -44,7 +45,13 @@ def get_balance(user, start: datetime = None, end: datetime = None):
     return credit, debit, credit - debit
 
 
-def get_balances(start: datetime = None, end: datetime = None, limit=None, offset=None, descending=None, sortBy=None):
+def get_balances(
+    start: datetime = None, end: datetime = None, limit=None, offset=None, descending=None, sortBy=None, _filter=None
+):
+    logger.debug(
+        f"get_balances(start={start}, end={end}, limit={limit}, offset={offset}, descending={descending}, sortBy={sortBy}, _filter={_filter})"
+    )
+
     class _User(User):
         _debit = db.relationship(Transaction, back_populates="sender_", foreign_keys=[Transaction._sender_id])
         _credit = db.relationship(Transaction, back_populates="receiver_", foreign_keys=[Transaction._receiver_id])
@@ -116,6 +123,11 @@ def get_balances(start: datetime = None, end: datetime = None, limit=None, offse
         q2 = query.join(_User._debit).filter(Transaction.time <= end)
         query = q1.union(q2)
 
+    if _filter:
+        query = query.filter(
+            or_(_User.firstname.ilike(f"%{_filter.lower()}%"), _User.lastname.ilike(f"%{_filter.lower()}%"))
+        )
+
     if sortBy == "balance":
         if descending:
             query = query.order_by((_User.credit - _User.debit).desc(), _User.lastname.asc(), _User.firstname.asc())
diff --git a/flaschengeist/plugins/balance/routes.py b/flaschengeist/plugins/balance/routes.py
index f0edc62..8ba1efb 100644
--- a/flaschengeist/plugins/balance/routes.py
+++ b/flaschengeist/plugins/balance/routes.py
@@ -7,6 +7,7 @@ from flaschengeist.models.session import Session
 from flaschengeist.utils.datetime import from_iso_format
 from flaschengeist.utils.decorators import login_required
 from flaschengeist.controller import userController
+from flaschengeist.app import logger
 from . import BalancePlugin, balance_controller, permissions
 
 
@@ -317,7 +318,11 @@ def get_balances(current_session: Session):
     offset = request.args.get("offset", type=int)
     descending = request.args.get("descending", False, type=bool)
     sortBy = request.args.get("sortBy", type=str)
-    balances, count = balance_controller.get_balances(limit=limit, offset=offset, descending=descending, sortBy=sortBy)
+    _filter = request.args.get("filter", None, type=str)
+    logger.debug(f"request.args: {request.args}")
+    balances, count = balance_controller.get_balances(
+        limit=limit, offset=offset, descending=descending, sortBy=sortBy, _filter=_filter
+    )
     return jsonify(
         {
             "balances": [{"userid": u, "credit": v[0], "debit": v[1]} for u, v in balances.items()],