diff --git a/cpp/src/arrow/flight/sql/client.cc b/cpp/src/arrow/flight/sql/client.cc
index 536bc67fc586d..cd722677a5a39 100644
--- a/cpp/src/arrow/flight/sql/client.cc
+++ b/cpp/src/arrow/flight/sql/client.cc
@@ -829,6 +829,8 @@ Status FlightSqlClient::Rollback(const FlightCallOptions& options,
   return results->Drain();
 }
 
+// ActionCancelQuery{Request,Result} are deprecated
+ARROW_SUPPRESS_DEPRECATION_WARNING
 ::arrow::Result<CancelResult> FlightSqlClient::CancelQuery(
     const FlightCallOptions& options, const FlightInfo& info) {
   flight_sql_pb::ActionCancelQueryRequest cancel_query;
@@ -855,6 +857,7 @@ ::arrow::Result<CancelResult> FlightSqlClient::CancelQuery(
   }
   return Status::IOError("Server returned unknown result ", result.result());
 }
+ARROW_UNSUPPRESS_DEPRECATION_WARNING
 
 Status FlightSqlClient::Close() { return impl_->Close(); }
 
diff --git a/cpp/src/arrow/flight/sql/server.cc b/cpp/src/arrow/flight/sql/server.cc
index 5f6154a576b02..7e8c2cc2f796c 100644
--- a/cpp/src/arrow/flight/sql/server.cc
+++ b/cpp/src/arrow/flight/sql/server.cc
@@ -337,6 +337,8 @@ arrow::Result<ActionBeginTransactionRequest> ParseActionBeginTransactionRequest(
   return result;
 }
 
+// ActionCancelQueryRequest is deprecated
+ARROW_SUPPRESS_DEPRECATION_WARNING
 arrow::Result<ActionCancelQueryRequest> ParseActionCancelQueryRequest(
     const Action& action) {
   pb::sql::ActionCancelQueryRequest command;
@@ -346,6 +348,7 @@ arrow::Result<ActionCancelQueryRequest> ParseActionCancelQueryRequest(
   ARROW_ASSIGN_OR_RAISE(result.info, FlightInfo::Deserialize(command.info()));
   return result;
 }
+ARROW_UNSUPPRESS_DEPRECATION_WARNING
 
 arrow::Result<ActionCreatePreparedStatementRequest>
 ParseActionCreatePreparedStatementRequest(const Action& action) {
@@ -468,6 +471,8 @@ arrow::Result<Result> PackActionResult(const FlightEndpoint& endpoint) {
   return endpoint.SerializeToBuffer();
 }
 
+// ActionCancelQueryResult is deprecated
+ARROW_SUPPRESS_DEPRECATION_WARNING
 arrow::Result<Result> PackActionResult(CancelResult result) {
   pb::sql::ActionCancelQueryResult pb_result;
   switch (result) {
@@ -487,6 +492,7 @@ arrow::Result<Result> PackActionResult(CancelResult result) {
   }
   return PackActionResult(pb_result);
 }
+ARROW_UNSUPPRESS_DEPRECATION_WARNING
 
 arrow::Result<Result> PackActionResult(ActionCreatePreparedStatementResult result) {
   pb::sql::ActionCreatePreparedStatementResult pb_result;