相似度量度（粵拼：soeng1 ci5 dou6 loeng4 dok6；英文：similarity measure）喺統計學上係泛指一啲可以畀個數出嚟，表示兩嚿物體「有幾相似」嘅嘢[1]。
例子可以睇吓歐幾里得距離同雅卡德指數呀噉。
- ↑ Li, Xin-Ye; Guo, Li-Jie (2012), "Constructing affinity matrix in spectral clustering based on neighbor propagation", Neurocomputing, 97: 125-130.
