- Uchihori, Y. OG: 645, 841; HE: 823, 824, 831, 838, 846, 914, 1227
- Uchihori, Yukio OG: 854
- Udo, S. OG: 241, 548, 844, 953; HE: 792, 795, 800
- Udo, Shigeharu SH: 559; HE: 803
- Uehara, T. OG: 1010
- Uehara, Y. HE: 823, 824, 831, 838, 846, 914, 1227
- Ueno, M. OG: 1177
- Ueno, S. OG: 645
- Ugolini, D. OG: 1092
- Ulrich, H. HE: 119, 178, 324, 491, 512, 513, 514, 601, 613, 825, 828, 832, 834, 845, 893, 902, 923, 961
- Ulrich, R. HE: 65, 73, 74, 75, 76, 176, 180, 237, 282, 297, 299, 300, 302, 308, 313, 316, 318, 319, 393, 396, 398, 399, 594, 596, 602, 603, 605, 607, 717, 889, 891, 972, 976, 991, 1027, 1035, 1041, 1042, 1307
- Unger, M. HE: 65, 73, 74, 75, 76, 176, 180, 237, 282, 297, 299, 300, 302, 308, 313, 316, 318, 319, 393, 396, 398, 399, 561, 594, 596, 602, 603, 605, 607, 717, 972, 976, 991, 1027, 1035, 1041, 1042, 1307
- Unger, Michael HE: 594
- Urata, Y. OG: 1010
- Urban, M. HE: 65, 73, 74, 75, 76, 176, 180, 237, 282, 297, 299, 300, 302, 308, 313, 316, 318, 319, 393, 396, 398, 399, 594, 596, 602, 603, 605, 607, 717, 976, 991, 1035, 1041, 1042, 1307
- Urbanski, G. OG: 751
- Urbář, J. HE: 1217
- Ureña, Luis OG: 1250
- Urheim, J. HE: 627, 630, 635, 696, 697, 709, 711, 749, 750, 1200
- Ushio, M. OG: 930
- Usoskin, I.G. SH: 245
- Usoskin, Ilya G. SH: 433, 440, 1310
