亚马逊标准识别号码（英语：Amazon Standard Identification Number），简称ASIN，是一个由十个字符（字母或数字）组成的唯一识别号码。它由亚马逊及其伙伴分配，并用于亚马逊上的产品标识。

以前，商品的ASIN在全球范围内是唯一的，但是随着亚马逊的全球扩张，ASIN只能保证在同一个市场内是唯一的。同一件商品可以有好几个ASIN，在不同国家也可能使用不同的ASIN。通常，ASIN在不同国家是不同的，除非是一类基于一个外部定义或者国际识别识别号码，如书籍的ISBN。

Asin Thottumkal (born 26 October 1985), known mononymously as Asin, is a former Indian actress and trained Bharathanatyam dancer. She has received three Filmfare Awards. She began her acting career in the South Indian film industry, but now appears predominantly in Bollywood films. She speaks eight languages, and dubs her own films. She is the only Malayali actress, other than Padmini, to have dubbed in her own voice for all her films, irrespective of language. Asin has been referred to as the "Queen of Kollywood" by online portals in 2007. She is a member of the Bollywood 100 Crore Club.