|Introduced||26 February 1991|
|TLD type||Country code top-level domain|
|Intended use||Entities connected with Bolivia|
|Actual use||Popular in Bolivia|
|Structure||Registrations are made directly at the second level or at the third level beneath established subdomains; second-level registrations are more expensive|
|Registry website||NIC Bolivia|
.bo is the Internet country code top-level domain (ccTLD) for Bolivia. On 08 June, 2009 the ISO 3166-1 code for Bolivia changed to reflect the BO used for the ccTLD.
It is administered by ADSIB. As of February 2011, the NIC was offering a registration fee of about US$40 per year or 280 $Bs for third-level domain and US$140 per year or 980 $Bs for second level domain. Registration is at the second or third level.
Brazilian TV Globo has also used this domain for shortener with the glo.bo URL.