| BNN | Boundary Network Node | 边界网络结点 |
| BNN | Bronnoysund, Norway - Bronnoy (Airport Code) | Bronnoysund，挪威-Bronnoy（机场代码） |
| BNN | Boundary Network Node (IBM) | 边界网络节点（IBM） |
| BNN | Boston Neighborhood Network | 波士顿社区网络 |
| BNN | Brave New Network | 勇敢的新网络 |
| BNN | Banana News Network | 香蕉新闻网 |
| BNN | Bart's Neverending Network (public-service TV network in The Netherlands) | 巴特的永恒的网络(公益电视网络在荷兰) |
| BNN | Bart's News Network (fictional TV network in The Netherlands) | 巴特的新闻网络(虚构的电视网络在荷兰) |
| BNN | Brascan Corporation | Brascan公司 |
| BNN | Biological Neural Network | 生物神经网络 |
| BNN | Bronnoysund, Norway | 挪威布朗诺伊松 |
| BNN | Back-Propagation Neural Network | 反向传播神经网络 |
| BNN | BlackRock 1999 Term Trust, Inc. (delisted) | 贝莱德1999年定期信托公司（退市） |
| BNN | Barely Newsorthy Network | 勉强符合新闻标准的网络 |