diff --git a/cpp/src/arrow/csv/writer.cc b/cpp/src/arrow/csv/writer.cc
index 7b3fcc76a10..33a02d1258c 100644
--- a/cpp/src/arrow/csv/writer.cc
+++ b/cpp/src/arrow/csv/writer.cc
@@ -192,7 +192,7 @@ class UnquotedColumnPopulator : public ColumnPopulator {
       return VisitArrayDataInline<StringType>(
           *casted_array_->data(),
           [&](arrow::util::string_view s) {
-            ARROW_RETURN_NOT_OK(CheckStringHasNoStructuralChars(s));
+            RETURN_NOT_OK(CheckStringHasNoStructuralChars(s));
             return valid_function(s);
           },
           null_function);
@@ -548,6 +548,18 @@ Status WriteCSV(const RecordBatch& batch, const WriteOptions& options,
   return writer->Close();
 }
 
+Status WriteCSV(const std::shared_ptr<RecordBatchReader>& reader,
+                const WriteOptions& options, arrow::io::OutputStream* output) {
+  ASSIGN_OR_RAISE(auto writer, MakeCSVWriter(output, reader->schema(), options));
+  std::shared_ptr<RecordBatch> batch;
+  while (true) {
+    ASSIGN_OR_RAISE(batch, reader->Next());
+    if (batch == nullptr) break;
+    RETURN_NOT_OK(writer->WriteRecordBatch(*batch));
+  }
+  return writer->Close();
+}
+
 ARROW_EXPORT
 Result<std::shared_ptr<ipc::RecordBatchWriter>> MakeCSVWriter(
     std::shared_ptr<io::OutputStream> sink, const std::shared_ptr<Schema>& schema,
diff --git a/cpp/src/arrow/csv/writer.h b/cpp/src/arrow/csv/writer.h
index 2f1442ae0af..b7670b75212 100644
--- a/cpp/src/arrow/csv/writer.h
+++ b/cpp/src/arrow/csv/writer.h
@@ -45,6 +45,12 @@ ARROW_EXPORT Status WriteCSV(const Table& table, const WriteOptions& options,
 /// Experimental
 ARROW_EXPORT Status WriteCSV(const RecordBatch& batch, const WriteOptions& options,
                              arrow::io::OutputStream* output);
+/// \brief Converts batches read through a RecordBatchReader
+/// to CSV and writes the results to output.
+/// Experimental
+ARROW_EXPORT Status WriteCSV(const std::shared_ptr<RecordBatchReader>& reader,
+                             const WriteOptions& options,
+                             arrow::io::OutputStream* output);
 
 /// \brief Create a new CSV writer. User is responsible for closing the
 /// actual OutputStream.
diff --git a/cpp/src/arrow/csv/writer_test.cc b/cpp/src/arrow/csv/writer_test.cc
index e089e14cd54..8f5910a0871 100644
--- a/cpp/src/arrow/csv/writer_test.cc
+++ b/cpp/src/arrow/csv/writer_test.cc
@@ -259,6 +259,12 @@ TEST_P(TestWriteCSV, TestWrite) {
     ASSERT_OK_AND_ASSIGN(csv, ToCsvString(*table, options));
     EXPECT_EQ(csv, GetParam().expected_output);
 
+    // RecordBatchReader should work identically.
+    ASSERT_OK_AND_ASSIGN(std::shared_ptr<RecordBatchReader> reader,
+                         RecordBatchReader::Make({record_batch}));
+    ASSERT_OK_AND_ASSIGN(csv, ToCsvString(reader, options));
+    EXPECT_EQ(csv, GetParam().expected_output);
+
     // The writer should work identically.
     ASSERT_OK_AND_ASSIGN(csv, ToCsvStringUsingWriter(*table, options));
     EXPECT_EQ(csv, GetParam().expected_output);