Of course there is, and in some surprising places.
Here is a report by the The Citizen Lab, examining how Microsoft Bing censors autosuggestions on politically sensitive Chinese names and other topics. This is not only applied in China, as we would expect, but in other regions too!
It also has some examples of censorship collateral damage – poor old Dick Van Dyke.
Clive Catton MSc (Cyber Security) – by-line and other articles
Further Reading
Tor browser can now give privacy and evade censorship barriers – Smart Thinking Solutions
About the Citizen Lab – The Citizen Lab