| SNI | Service Node Interface | 业务节点接口 |
| SNI | Sequence-Number Indicator | 顺序编号指示器 |
| SNI | Showtime Networks Inc. | ShowTime电视台 |
| SNI | SMS (Short Message Service) Notification Indicator | SMS（短消息服务）通知指示器 |
| SNI | Sustaining Non-major Instrumentation (project) | 维持非主要仪器（项目） |
| SNI | Sustainable National Income | 可持续国民收入 |
| SNI | Serviço Nacional de Informações (National Information Service, Brazil) | Serviço Nacional de Informações (National Information Service, Brazil) |
| SNI | Standard Network Interface | 标准网络接口 |
| SNI | Siemens Nixdorf Informationssysteme AG (Paderborn, Germany) | 西门子Nixdorf信息系统股份公司（德国帕德博恩） |
| SNI | Standar Nasional Indonesia (Indonesian National Standard) | 印度尼西亚国家标准（印度尼西亚国家标准） |
| SNI | SNA Network Interconnection | SNA网络互连 |
| SNI | Signaling Network Interworking | 信令网络互通 |
| SNI | Soviet Naval Infantry | 苏联海军步兵 |
| SNI | Schneider National Carriers, Inc. | 施耐德国家航空公司。 |
| SNI | Subscriber Network Interface | 用户网络接口 |
| SNI | Secure Network Infrastructure | 安全的网络基础设施 |
| SNI | Signaling Network Interface | 信令网络接口 |
| SNI | Shelter Now International (German religious and humanitarian group) | 立即庇护国际（德国宗教和人道主义团体） |
| SNI | SCC Network Interface | SCC网络接口 |
| SNI | SocietÀ Numismatica Italiana (Italian Numismatic Society) | SocietÀ Numismatica Italiana (Italian Numismatic Society) |
| SNI | Southern Newspapers, Inc. | 南方报纸公司。 |
| SNI | Service Network, Inc. | 服务网络公司。 |
| SNI | Subscriber- Network Interface | 用户-网络接口 |
| SNI | SparkNET Interactive | SparkNET交互式 |
| SNI | San Nicolas Island | 圣尼古拉斯岛 |
| SNI | Simultaneous Non-Interfering | 同时不干扰 |
| SNI | Shares Of Non Independent | 非独立股份 |
| SNI | Sports Nutrition International | 运动营养国际 |
| SNI | Solutions Network, Inc. | Solutions Network，Inc.公司。 |
| SNI | Selective Nerve root Injection | 选择性神经根注射 |
| SNI | Shapiro Negotiations Institute | 夏皮罗谈判研究所 |
| SNI | Special Needs Inmate | 特殊需要囚犯 |
| SNI | Sinoe, Liberia | 利比里亚锡诺 |
| SNI | Shared Network Infrastructure | 共享网络基础设施 |
| SNI | Sandpoint, North Idaho | 北爱达荷州Sandpoint |
| SNI | San Nicolas Island (US Navy operated instrumentation site) | 圣尼古拉斯岛（美国海军运营的仪器现场） |
| SNI | SENSI: an extinct language of Peru | 森西语：秘鲁一种已灭绝的语言 |
| SNI | System News, Inc. | System News公司。 |
| SNI | Syracuse Neighborhood Initiative | 雪城邻里倡议 |
| SNI | Seth Network International | 赛斯网络国际 |
| SNI | Sistema Nacional de InterconexiÓn (Guatemala) | Sistema Nacional de InterconexiÓn (Guatemala) |
| SNI | Service Network Interface | 服务网络接口 |
| SNI | Switch Network Interface | 交换机网络接口 |
| SNI | Sub-Network Independent | 独立于子网络 |
| SNI | Seneca Nation of Indians | 塞内卡印第安人 |
| SNI | Sistema Nacional de Investigadores (Mexico) | 国家投资机构（墨西哥） |
| SNI | Selective Noise Isolator | 选择性噪声隔离器 |
| SNI | Strong Neighborhood Initiative | 强大的邻里倡议 |
| SNI | Shalom Network International | Shalom网络国际 |
| SNI | Safe Neighborhood Initiative | 安全邻里倡议 |
| SNI | Senior Network, Incorporated | 高级网络公司 |