| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs |
| UGT1A1 | UDP glucuronosyltransferase 1 family, polypeptide A1 | UGT1, GNT1 | UGT1A | 2q37 | M57899 | |
| UGT1A2P | UDP glucuronosyltransferase 1 family, polypeptide A2 pseudogene | | UGT1BP | 2q37 | M84126 | |
| UGT1A3 | UDP glucuronosyltransferase 1 family, polypeptide A3 | | UGT1C | 2q37 | M84127 | NM_019093 |
| UGT1A4 | UDP glucuronosyltransferase 1 family, polypeptide A4 | | HUG-BR2, UGT1D | 2q37 | M84128 | NM_007120 |
| UGT1A5 | UDP glucuronosyltransferase 1 family, polypeptide A5 | | UGT1E | 2q37 | M84129 | NM_019078 |
| UGT1A6 | UDP glucuronosyltransferase 1 family, polypeptide A6 | | HLUGP, GNT1, UGT1F | 2q37 | M84130 | NM_205862 |
| UGT1A7 | UDP glucuronosyltransferase 1 family, polypeptide A7 | | UGT1G | 2q37 | U39570 | NM_019077 |
| UGT1A8 | UDP glucuronosyltransferase 1 family, polypeptide A8 | | UGT1H | 2q37 | U42604 | NM_019076 |
| UGT1A9 | UDP glucuronosyltransferase 1 family, polypeptide A9 | | HLUGP4, LUGP4, UGT1AI | 2q37 | AF056188 | NM_021027 |
| UGT1A10 | UDP glucuronosyltransferase 1 family, polypeptide A10 | | UGT1J | 2q37 | U39550 | NM_019075 |
| UGT1A11P | UDP glucuronosyltransferase 1 family, polypeptide A11 pseudogene | | UGT1K | 2q37 | U39551 | |
| UGT1A12P | UDP glucuronosyltransferase 1 family, polypeptide A12 pseudogene | | UGT1L | 2q37 | U39552 | |
| UGT1A13P | UDP glucuronosyltransferase 1 family, polypeptide A13 pseudogene | | | 2q37 | AF297093 | NG_002601 |
| UGT1A@ | UDP glucuronosyltransferase 1 family, polypeptide A cluster | | UGT | 2q37 | | |
| UGT2A1 | UDP glucuronosyltransferase 2 family, polypeptide A1 | | | 4q13 | AJ006054 | NM_006798 |
| UGT2A2 | UDP glucuronosyltransferase 2 family, polypeptide A2 | | | 4q13.3 | | |
| UGT2A3 | UDP glucuronosyltransferase 2 family, polypeptide A3 | | FLJ21934 | 4q13.2 | | NM_024743 |
| UGT2B4 | UDP glucuronosyltransferase 2 family, polypeptide B4 | | UGT2B11 | 4q13 | BC026264 | NM_021139 |
| UGT2B7 | UDP glucuronosyltransferase 2 family, polypeptide B7 | | UGT2B9 | 4q13 | BC030974 | NM_001074 |
| UGT2B10 | UDP glucuronosyltransferase 2 family, polypeptide B10 | | | 4q13.3 | X63359 | NM_001075 |
| UGT2B11 | UDP glucuronosyltransferase 2 family, polypeptide B11 | | | 4q13.3 | AF016492 | NM_001073 |
| UGT2B15 | UDP glucuronosyltransferase 2 family, polypeptide B15 | | UGT2B8 | 4q13 | AF180322 | NM_001076 |
| UGT2B17 | UDP glucuronosyltransferase 2 family, polypeptide B17 | | | 4q13 | U59209 | NM_001077 |
| UGT2B24P | UDP glucuronosyltransferase 2 family, polypeptide B24 pseudogene | | | 4q13 | AF179876 | |
| UGT2B25P | UDP glucuronosyltransferase 2 family, polypeptide B25 pseudogene | | | 4q13 | AF179877 | |
| UGT2B26P | UDP glucuronosyltransferase 2 family, polypeptide B26 pseudogene | | | 4q13 | AF179878 | |
| UGT2B27P | UDP glucuronosyltransferase 2 family, polypeptide B27 pseudogene | | | 4q13 | AF179879 | |
| UGT2B28 | UDP glucuronosyltransferase 2 family, polypeptide B28 | | | 4q13.3 | AF177272 | NM_053039 |
| UGT2B29P | UDP glucuronosyltransferase 2 family, polypeptide B29 pseudogene | | | 4q13 | AF179880 | |
| UGT2B@ | UDP glucuronosyltransferase 2 family, polypeptide B cluster | UGT2, UGT2B | | 4q13 | | |
| UGT3A1 | UDP glycosyltransferase 3 family, polypeptide A1 | | FLJ34658 | 5p13.2 | | NM_152404 |
| UGT3A2 | UDP glycosyltransferase 3 family, polypeptide A2 | | | 5p13.2 | | NM_174914 |