| 02 Sept 19 | S. Benda Steven Benda |  Swansea CitySWA | → |  Swindon TownSWI | Loan |
| 27 Aug 19 | C. Harries Cian Harries | Swansea CitySWA | → |  Fortuna SittardFOR | Loan |
| 27 Aug 19 | C. Harries Cian Harries | Swansea CitySWA | → | Fortuna SittardFOR | Loan |
| 09 Aug 19 | C. Baker-Richardson Courtney Baker-Richardson | Swansea CitySWA | → |  Accrington StanleyACCR | Loan |
| 08 Aug 19 | J. Montero Jefferson Montero | Swansea CitySWA | → |  Birmingham CityBIR | Loan |
| 06 Aug 19 | S. Surridge Sam Surridge |  AFC BournemouthBOU | → | Swansea CitySWA | Loan |
| 06 Aug 19 | S. Surridge Sam Surridge | AFC BournemouthBOU | → | Swansea CitySWA | Loan |
| 05 Aug 19 | A. Kalulu Aldo Kalulu |  FC BaselBAS | → | Swansea CitySWA | Loan |
| 02 Aug 19 | O. McBurnie Oliver McBurnie | Swansea CitySWA | → |  Sheffield UnitedSHU | Undisclosed |
| 02 Aug 19 | O. McBurnie Oliver McBurnie | Swansea CitySWA | → | Sheffield UnitedSHU | Undisclosed |
| 02 Aug 19 | K. Peterson Kristoffer Peterson |  Heracles AlmeloHER | → | Swansea CitySWA | Undisclosed |
| 02 Aug 19 | K. Peterson Kristoffer Peterson | Heracles AlmeloHER | → | Swansea CitySWA | Undisclosed |
| 01 Aug 19 | F. Woodman Freddie Woodman |  Newcastle UnitedNEW | → | Swansea CitySWA | Loan |
| 01 Aug 19 | F. Woodman Freddie Woodman | Newcastle UnitedNEW | → | Swansea CitySWA | Loan |
| 25 Jul 19 | B. Wilmot Ben Wilmot |  WatfordWAT | → | Swansea CitySWA | Loan |
| 25 Jul 19 | J. Ayew Jordan Ayew | Swansea CitySWA | → |  Crystal PalaceCRY | Undisclosed |
| 25 Jul 19 | B. Wilmot Ben Wilmot | WatfordWAT | → | Swansea CitySWA | Loan |
| 25 Jul 19 | J. Ayew Jordan Ayew | Swansea CitySWA | → | Crystal PalaceCRY | Undisclosed |
| 25 Jul 19 | L. Fer Leroy Fer | Swansea CitySWA | → |  Feyenoord RotterdamFEY | Free |
| 25 Jul 19 | L. Fer Leroy Fer | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 05 Jul 19 | G. Zabret Gregor Zabret | Swansea CitySWA | → |  Oldham AthleticOLD | Loan |
| 05 Jul 19 | L. Narsingh Luciano Narsingh | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 05 Jul 19 | L. Narsingh Luciano Narsingh | Swansea CitySWA | → | Feyenoord RotterdamFEY | Free |
| 02 Jul 19 | J. Bidwell Jake Bidwell |  Queens Park RangersQPR | → | Swansea CitySWA | Free |
| 12 Jun 19 | D. James Daniel James | Swansea CitySWA | → |  Manchester UnitedMAN | Undisclosed |
| 12 Jun 19 | D. James Daniel James | Swansea CitySWA | → | Manchester UnitedMAN | Undisclosed |
| 31 Jan 19 | W. Bony Wilfried Bony | Swansea CitySWA | → | AXXAl-ArabiAl-Arabi | Loan |
| 03 Jan 19 | A. Lewis Aaron Lewis | Swansea CitySWA | → |  Doncaster RoversDON | Loan |