Borussia Dortmund transfers for 2026/27 track 24 listed transfer moves, split into 11 incoming and 13 outgoing rows where provider data is available. The list covers permanent transfers, loans, free moves, loan returns, and other transfer labels supplied by the football data feed.

The provider labels in this season include Transfer, Free agent, and Loan. These labels are kept close to the source feed, so loans, free transfers, and loan-return statuses can be compared directly in the table.