| OAN | Optical Access Network | 光接入网 |
| OAN | Oregon Association of Nurserymen | 俄勒冈州托儿所协会 |
| OAN | Owner Applied Number | 业主申请编号 |
| OAN | Open Austrian Network | 开放奥地利网络 |
| OAN | Overshoot Amplitude Noise | 过冲振幅噪声 |
| OAN | Open Access Network | 开放接入网络 |
| OAN | On Another Note | 另一个注意事项 |
| OAN | Operational Area Networks | 操作区域网络 |
| OAN | Open Aggregate Navigation | 打开聚合导航 |
| OAN | Optical Access Node | 光接入节点 |
| OAN | Open All Night | 通宵开放 |
| OAN | Online Account Number | 在线帐号 |
| OAN | Open Air Networks | 露天网络 |
| OAN | Olanchito, Honduras | 洪都拉斯奥兰奇托 |
| OAN | OCEANIE / AFRIQUE NOIRE FINE ART BOOKS | OCEANIE / AFRIQUE NOIRE艺术书籍 |