| Ultimate Christmas Country | — | — | Album |
| Ultimate Collection: Country | — | 2006 | Album |
| Ultimate Country | — | 1. Mai 2015 | Album |
| Ultimate Country | — | 2004 | Album |
| Ultimate Country (disc 2) | — | — | Album |
| Ultimate Country Christmas | — | 23. November 2018 | Album |
| Ultimate Country Driving Songs | — | 2011 | Album |
| Ultimate Country Party | — | 14. Juli 1998 | Album |
| Ultimate Country Party | — | 2004 | Album |
| Ultimate Country ’96 | — | 16. Oktober 1995 | Album |
| Ultimate Country: 60 Essential Country Classics | — | 2010 | Album |
| Uma Questão de Fé | — | Mai 2006 | Album |
| Uma questão de princípio | — | 29. September 2014 | Album |
| Uma Questão de Tempo | — | 21. April 2025 | Album |
| Un Concierto de Zarzuela | — | 1975 | Album |
| Un coup de queue de vache | — | 27. Jänner 2017 | Album |
| Un genre de noir | — | 3. Jänner 2007 | Album |
| Un grain de quartz | — | Mai 2005 | Album |
| Un p'tit air country | — | 1999 | Album |
| Un peu de douceur | — | 12. Oktober 2012 | Album |
| Un zumbido de amor | — | 1993 | Album |
| Una tormenta de canciones de amor a quemarropa | — | 26. Februar 2016 | Album |
| Unadulterated Country Songs | — | — | Album |
| Unbeatable Wheatables Unbeatable Country | — | 1994 | Album |
| Uncertain Country | — | 28. April 2023 | Album |
| Unchained Country | — | 2000 | Album |
| Uncommonly Good Country | — | 1975 | Album |
| Unconscious Country | — | 2000 | Album |
| Undeniably Country | — | 18. November 2016 | Album |
| Undiscovered Country | — | 2010 | Album |
| Undiscovered Country of Old Death and Strange Years in the Frightful Past | — | 21. März 2012 | Album |
| Une femme Country | — | 1999 | Album |
| Une heure de tubes country | — | 2007 | Album |
| Unforgettable Country | — | — | Album |
| Unhinged Country Chaos | — | 4. Juli 2024 | Album |
| Unknown Country | — | November 1996 | Album |
| Unknown Country | — | 2009 | Album |
| Up Country | — | 1980 | Album |
| Up Country: The Country Collection | — | 2004 | Album |
| Up the Country | — | 2001 | Album |
| Up The Country | — | — | Album |
| Uptown Country Girl | — | 1970 | Album |
| Urban Country | — | 22. August 2011 | Album |
| Urban Country | — | 2017 | Album |
| Used Country Female | — | 2002 | Album |
| Últimos éxitos de Los Alegres de Terán | — | 1964 | Album |