Gao is a city in Mali and the capital of the Gao Region. The city is located on the River Niger, east-southeast of Timbuktu on the left bank at the junction with the Tilemsi valley.

is a Japanese manga series written and illustrated by Yoshio Sawai, published by Shueisha, and serialized in the Weekly Shonen Jump magazine. Bobobo-bo Bo-bobo is a comedy influenced by Japanese manzai humor that uses puns, double-talk, breaking of the fourth wall, non-sexualized cross-dressing, visual gags, and satirical and pop-culture references. The manga series lasted from 2001 through 2007, divided into two separate sections with a distinct difference in humor and plotting.

Gao is am East Asian surname of Chinese origin that can be literally translated as "high" or "tall". There are approximately 16 million living people with this surname. Some places, such as Taiwan, usually romanise this family name into Kao. In Hong Kong, it is romanized to Ko. In Macau, it is romanized to Kou.

The Government Accountability Office (GAO) is a government agency that provides auditing, evaluation, and investigative services for the United States Congress. It is the supreme audit institution of the federal government of the United States.