| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs |
| ALDH1A1 | aldehyde dehydrogenase 1 family, member A1 | PUMB1, ALDH1 | RALDH1 | 9q21 | K03000 | |
| ALDH1A2 | aldehyde dehydrogenase 1 family, member A2 | | RALDH2 | 15q21.2 | AB015228 | |
| ALDH1A3 | aldehyde dehydrogenase 1 family, member A3 | ALDH6 | RALDH3 | 15q26 | U07919 | |
| ALDH1B1 | aldehyde dehydrogenase 1 family, member B1 | ALDH5 | ALDHX | 9p13 | M63967 | |
| ALDH1L1 | aldehyde dehydrogenase 1 family, member L1 | FTHFD | | 3q21.2 | AF052732 | NM_012190 |
| ALDH1L2 | aldehyde dehydrogenase 1 family, member L2 | | FLJ38508 | 12q23.3 | AK095827 | XM_090294 |
| ALDH2 | aldehyde dehydrogenase 2 family (mitochondrial) | | | 12q24.12 | M26760 | NM_000690 |
| ALDH3A1 | aldehyde dehydrogenase 3 family, memberA1 | ALDH3 | | 17p11.2 | M74542 | NM_000691 |
| ALDH3A2 | aldehyde dehydrogenase 3 family, member A2 | SLS, ALDH10 | FALDH | 17p11.2 | L47162 | |
| ALDH3B1 | aldehyde dehydrogenase 3 family, member B1 | ALDH7 | | 11q13 | U10868 | NM_000694 |
| ALDH3B2 | aldehyde dehydrogenase 3 family, member B2 | ALDH8 | | 11q13 | U37519 | NM_000695 |
| ALDH4A1 | aldehyde dehydrogenase 4 family, member A1 | ALDH4 | P5CDh | 1p36 | U24266 | |
| ALDH5A1 | aldehyde dehydrogenase 5 family, member A1 | | SSADH, SSDH | 6p22 | L34820 | |
| ALDH6A1 | aldehyde dehydrogenase 6 family, member A1 | MMSDH | | 14q24 | M93405 | |
| ALDH7A1 | aldehyde dehydrogenase 7 family, member A1 | ATQ1 | EPD, PDE | 5q31 | S74728 | NM_001182 |
| ALDH7A1P1 | aldehyde dehydrogenase 7 family, member A1 pseudogene 1 | ATQL1 | | 5q14 | AF002693 | |
| ALDH8A1 | aldehyde dehydrogenase 8 family, member A1 | | ALDH12 | 6q24.1-q25.1 | AL021939 | |
| ALDH9A1 | aldehyde dehydrogenase 9 family, member A1 | ALDH7, ALDH4, ALDH9 | E3 | 1q22-q23 | U34252 | |
| ALDH16A1 | aldehyde dehydrogenase 16 family, member A1 | | MGC10204 | 19q13.33 | AY007096 | NM_153329 |
| ALDH18A1 | aldehyde dehydrogenase 18 family, member A1 | GSAS, PYCS | P5CS | 10q24.3-q24.6 | X94453 | NM_002860 |