| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs |
| PAN2 | PAN2 polyA specific ribonuclease subunit homolog (S. cerevisiae) | USP52 | KIAA0710, hPAN2 | 12q13.2 | AB014610 | NM_014871 |
| USP1 | ubiquitin specific peptidase 1 | | | 1p31.3 | | NM_001017415 |
| USP2 | ubiquitin specific peptidase 2 | | UBP41 | 11q23.3 | AF079564 | NM_171997 |
| USP3 | ubiquitin specific peptidase 3 | | | 15q22.3 | AF073344 | |
| USP4 | ubiquitin specific peptidase 4 (proto-oncogene) | UNP | Unph | 3p21.3 | U20657 | NM_199443 |
| USP5 | ubiquitin specific peptidase 5 (isopeptidase T) | | IsoT | 12p13 | U35116 | |
| USP6 | ubiquitin specific peptidase 6 (Tre-2 oncogene) | HRP1 | Tre-2, TRE17, Tre2 | 17p13 | X63547 | NM_004505 |
| USP7 | ubiquitin specific peptidase 7 (herpes virus-associated) | HAUSP | | 16p13.3 | Z72499 | |
| USP8 | ubiquitin specific peptidase 8 | | HumORF8, KIAA0055, UBPY | 15q21.1 | D29956 | NM_005154 |
| USP8P | ubiquitin specific peptidase 8 pseudogene | | KIAA0055-hom, D84394.7 | 6p21 | | |
| USP9X | ubiquitin specific peptidase 9, X-linked | | DFFRX, FAF | Xp11.4 | X98296 | NM_004652 |
| USP9Y | ubiquitin specific peptidase 9, Y-linked (fat facets-like, Drosophila) | AZF1, AZF | DFFRY | Yq11.2 | Y13618 | NM_004654 |
| USP9YP2 | USP9Y pseudogene 2 | | | Yq11.221-q11.222 | | NG_003172 |
| USP10 | ubiquitin specific peptidase 10 | | UBPO, KIAA0190 | 16q | D80012 | |
| USP10P1 | ubiquitin specific peptidase 10 pseudogene 1 | | | 14q11.2 | | NG_005813 |
| USP11 | ubiquitin specific peptidase 11 | | UHX1 | Xp11.23 | U44839 | NM_004651 |
| USP12 | ubiquitin specific peptidase 12 | USP12L1 | | 13q12.13 | AL049221 | NM_182488 |
| USP12P1 | ubiquitin specific peptidase 12 pseudogene 1 | UBH1, USP12 | | 5q33-q34 | AF022789 | NG_002822 |
| USP12P2 | ubiquitin specific peptidase 12 pseudogene 2 | | | Xq21.31 | | XM_171244 |
| USP12P3 | ubiquitin specific peptidase 12 pseudogene 3 | | | Yp11.2 | | NG_002824 |
| USP13 | ubiquitin specific peptidase 13 (isopeptidase T-3) | | IsoT-3 | 3q26.2-q26.3 | U75362 | |
| USP14 | ubiquitin specific peptidase 14 (tRNA-guanine transglycosylase) | | TGT | 18p11.32 | U30888 | NM_005151 |
| USP15 | ubiquitin specific peptidase 15 | | KIAA0529, UNPH4 | 12q14 | AB011101 | NM_006313 |
| USP16 | ubiquitin specific peptidase 16 | | Ubp-M | 21q21 | AF126736 | |
| USP17 | ubiquitin specific peptidase 17 | | RS447 | 4p15 | D38378 | |
| USP18 | ubiquitin specific peptidase 18 | | | 22q11.2 | AJ243526 | |
| USP19 | ubiquitin specific peptidase 19 | | KIAA0891, ZMYND9 | 3p21.31 | AB020698 | NM_006677 |
| USP20 | ubiquitin specific peptidase 20 | | KIAA1003 | 9q34.2 | AB023220 | |
| USP21 | ubiquitin specific peptidase 21 | USP23 | USP16 | 1q22 | AF177758 | |
| USP22 | ubiquitin specific peptidase 22 | USP3L | KIAA1063 | 17p11.2 | AB028986 | |
| USP24 | ubiquitin specific peptidase 24 | | KIAA1057 | 1p32.3 | AB028980 | |
| USP25 | ubiquitin specific peptidase 25 | | USP21 | 21q11.2 | AF170562 | |
| USP26 | ubiquitin specific peptidase 26 | | | Xq26.2 | AF285593 | NM_031907 |
| USP27X | ubiquitin specific peptidase 27, X-linked | | USP27 | Xp11.23 | AW851065 | XM_372213 |
| USP28 | ubiquitin specific peptidase 28 | | KIAA1515 | 11q23 | AB040948 | |
| USP29 | ubiquitin specific peptidase 29 | | | 19q13.4 | | |
| USP30 | ubiquitin specific peptidase 30 | | MGC10702, FLJ40511 | 12q23.3 | BC022094 | NM_032663 |
| USP31 | ubiquitin specific peptidase 31 | | KIAA1203 | 16p12.3 | AB033029 | NM_020718 |
| USP32 | ubiquitin specific peptidase 32 | | NY-REN-60, USP10 | 17q23.3 | AF533230 | NM_032582 |
| USP33 | ubiquitin specific peptidase 33 | | KIAA1097, VDU1 | 1p31 | AF383173 | NM_015017 |
| USP34 | ubiquitin specific peptidase 34 | | KIAA0570, KIAA0729 | 2p16.1-p15 | AB011142 | |
| USP35 | ubiquitin specific peptidase 35 | | KIAA1372 | 11q13.4 | AB037793 | XM_290527 |
| USP36 | ubiquitin specific peptidase 36 | | KIAA1453, FLJ12851 | 17q25.3 | AB040886 | NM_025090 |
| USP37 | ubiquitin specific peptidase 37 | | KIAA1594 | 2q35 | AB046814 | NM_020935 |
| USP38 | ubiquitin specific peptidase 38 | | KIAA1891, HP43.8KD | 4q31.1 | AF211481 | NM_032557 |
| USP39 | ubiquitin specific peptidase 39 | | SAD1, CGI-21 | 2p11.2 | AF132955 | NM_006590 |
| USP40 | ubiquitin specific peptidase 40 | | FLJ10785 | 2q37.1 | AK001647 | XM_114294 |
| USP41 | ubiquitin specific peptidase 41 | | | 22q11.22 | | XM_036729 |
| USP42 | ubiquitin specific peptidase 42 | | FLJ12697 | 7p22.2 | AK022759 | XM_166526 |
| USP43 | ubiquitin specific peptidase 43 | | FLJ30626 | 17p12 | AK055188 | NM_153210 |
| USP44 | ubiquitin specific peptidase 44 | | FLJ14528 | 12q21.33 | AK027434 | NM_032147 |
| USP45 | ubiquitin specific peptidase 45 | | MGC14793 | 6q16.2 | AL832030 | NM_032929 |
| USP46 | ubiquitin specific peptidase 46 | | FLJ12552 | 4q12 | AK022614 | NM_022832 |
| USP47 | ubiquitin specific peptidase 47 | | | 11p15.2 | AK027362 | NM_017944 |
| USP48 | ubiquitin specific peptidase 48 | USP31 | FLJ23277, FLJ11328, FLJ20103, FLJ23054, MGC14879 | 1p36.12 | AF502942 | NM_032236 |
| USP49 | ubiquitin specific peptidase 49 | | MGC20741 | 6p12.1 | AJ586139 | NM_018561 |
| USP50 | ubiquitin specific peptidase 50 | | | 15q21.1 | AI990110 | |
| USP51 | ubiquitin specific peptidase 51 | | | Xp11 | BF741256 | NM_201286 |
| USP53 | ubiquitin specific peptidase 53 | | KIAA1350 | 4q27 | BC017382 | XM_052597 |
| USP54 | ubiquitin specific peptidase 54 | C10orf29 | FLJ37318, bA137L10.3, bA137L10.4 | 10q22.3 | AJ583820 | NM_152586 |