This table was compiled from multiple sources on the Internet; in other words, it's guaranteed to be inaccurate. Caveat lector!
| Uberrimae fidei | Of the utmost good faith |
| Ubi amor, ibi oculus | Where love is, there is insight |
| Ubi bene, ibi patria | Where you feel good, there is your home |
| Ubi concordia, ibi victoria | Where is the unity, there is the victory. (Publius Syrus) |
| Ubi dubium ibi libertas | Where there is doubt, there is freedom |
| Ubi est bibula? | Where's the beef? |
| Ubi est mea anaticula cumminosa? Volo anaticulam cumminosam meam! | Where’s my rubber ducky? I want my rubber ducky! |
| Ubi fumus, ibi ignis | Where there's smoke, there's fire |
| Ubi maior, minor cessat | The weak (minor) capitulates before the strong (major) |
| Ubi mel ibi apes | Where honey, there bees, i.e., if you want support, you must offer something in return |
| Ubi re vera ... or ubi revera ... | Where(as), in reality ... |
| Ubi revera (Ubi re vera) | When, in reality |
| Ubi solitudinem faciunt, pacem appellant | Where they make a wasteland, they call it peace -- Tacitus, Agricola, ch. 30. |
| Ubi spiritus est cantus est | Where there is spirit there is song |
| Ubi sunt? | Where are they (the good old days)? |
| Ubi supra | Where (cited) above |
| Ubicumque homo est, ibi benefici locus est | Wherever there is a man, there is a place of/for kindness/service |
| Ubicumque is, ibi es | Wherever you go, there you are |
| Ubique | Everywhere |
| Ultima ratio regum | The final argument of kings. (Inscription on French canons in the times of Louis XIV.) |
| Ultima Thule | The most distant Thule |
| Ultimo (ult.) | Formerly used in formal correspondence to refer to the previous month. Compare with inst. and prox. |
| Ultimus Romanorum | The last of the Romans |
| Ultra posse nemo obligatur | No one is obligated beyond what he is able to do |
| Ultra vires | Beyond the powers. In excess of the authority conferred by law, and hence, invalid, lacking legal effect |
| Un idea perplexi na | The idea is strange to us |
| Una hirundo non facit ver | One Swallow does not make Summer. (Horace) |
| Una salus victis nullam sperare salutem | The one safety for the vanquished is to abandon hope of safety knowing there |
