盖尤斯·普林尼·采西利尤斯·塞孔都斯（拉丁语：Gaius Plinius Caecilius Secundus，也被称为小普林尼，61年8月25日至62年8月24日之间出生于今天意大利科莫，约113年逝世于比西尼亚-潘图斯或者他回到家乡后不久）是一位罗马帝国律师、作家和议员。他被认为是一位诚实而低调的人物，坚持执行追查基督徒的政策。他的很多信件流传了下来，称为研究当时历史的珍贵资料。

Gaius Plinius Caecilius Secundus, born Gaius Caecilius or Gaius Caecilius Cilo (61 – c. 113), better known as Pliny the Younger (/ˈplɪni/), was a lawyer, author, and magistrate of Ancient Rome. Pliny's uncle, Pliny the Elder, helped raise and educate him. Both Pliny the Elder and Younger were witnesses to the eruption of Vesuvius in 79 AD, in which the former died.