| RCMM | registered competitive market maker | 注册的竞争市场自营商 |
| RCMM | Registered Competitive Market Maker (NYSE member) | 注册竞争做市商（纽约证券交易所会员） |
| RCMM | Registered Competitive Market-Makers | 注册竞争性做市商 |
| RCMM | Remote Control Multimedia (Philips' remote control spec) | 遥控多媒体(飞利浦遥控规格) |
| RCMM | Root Certificate Management Messages | 根证书管理消息 |