Bundesliga
- Schalke 04 19 shared
- Borussia Dortmund 12 shared
- Eintracht Frankfurt 9 shared
- Bayern München 8 shared
- Hannover 96 19 shared
- Hertha BSC 19 shared
- Wolfsburg 19 shared
- St. Pauli 17 shared
- VfL Bochum 17 shared
- Holstein Kiel 17 shared
- Arminia Bielefeld 16 shared
- Mainz 16 shared
- Werder Bremen 16 shared
- Augsburg 16 shared
- Greuther Fürth 15 shared
- Eintracht Braunschweig 14 shared
- Stuttgart 14 shared
- Fortuna Düsseldorf 13 shared
- Paderborn 13 shared
- Köln 12 shared
- Bayer Leverkusen 12 shared
- Freiburg 11 shared
- Borussia Mönchengladbach 10 shared
- Hamburger SV 10 shared
- Hoffenheim 8 shared
- Nürnberg 6 shared
- Heidenheim 5 shared
- Ingolstadt 5 shared
- RB Leipzig 5 shared
- Elversberg 4 shared
- Darmstadt 98 4 shared
Famous players who played for Union Berlin
- Leonardo Bonucci 2023–2024
- Genki Haraguchi 2021–2023
- Loris Karius 2020–2021
- Robin Gosens 2023–2025
- Atsuto Uchida 2017–2018
- Neven Subotić 2019–2020
- Nico Schlotterbeck 2020–2021
- Julian Ryerson 2018–2023
- Brenden Aaronson 2023–2024
- Kevin Volland 2023–2025
- Robert Andrich 2019–2021
- Josip Juranovic ?–
- Max Kruse 2020–2022
- Joel Pohjanpalo 2020–2021
- Keita Endo 2020–2021, 2021–2024
- Taiwo Awoniyi 2020–2021, 2021–2022
- Sergej Barbarez 1993–1996
- Michel Aebischer 2026–
- Rani Khedira 2021–
- Frederik Rönnow ?–
- Christian Gentner 2019–2021
- Robert Skov 2024–
- Emanuel Pogatetz 2016–2017
- Yunus Mallı 2020
- Robin Knoche 2020–2024
- Alex Král 2023–2026
- Levin Öztunalı 2021–2023
- Oliver Burke 2025–
- Morten Thorsby 2022–2024
- Jamie Leweling 2022–2024
- Mario Eggimann 2013–2015
- Felix Kroos 2016, 2016–2020
- Lucas Tousart 2023–2025
- Émerson Luiz Firmino 2004
- Adam Nemec 2012–2015
- Grischa Prömel 2017–2022
- Aïssa Laïdouni 2023–2024
- David Datro Fofana 2023–2024
- Kevin Vogt 2024–2025
- Simon Terodde 2011–2012, 2012–2014
Source: Wikidata (CC0), Wikipedia club articles and player infoboxes (years at each club). Youth spells and appearances that look unplayed are left out; volunteer-kept records can contain gaps or errors.