How to say "politically correct" or "political correctness" in Chinese?
Assuming Wikipedia is a reliable source, 政治正确 is correct.

There is a simpler explanation of it on Zhidao Baidu as well:


  这要看你是说汉语 “政治正确” 还是英语 “politically correct” 。
  这个词语对英语有比较广泛的意思，即不仅是指涉及政治敏感的语言。 英语 “politically (in)correct”
  形容任何不属于社会规范的语言，比如美国和加拿大忌用一些词语


It's a very literal translation, but that is the proper word, even if a bit misleading.