10月的英文是October。October来源于拉丁文octōber，在古罗马时代指的是第八个月（原本古罗马的一年只有10个月）。在现在的罗马历法中，它是第十个月。
下面是一些用October表示10月的英文例句：
October is the tenth month of the year.
October is the month when the leaves start to change colors.
I was born in October.
The Halloween festival takes place in October.
October is known for its cool and crisp weather.