202Waardenburg Syndrome (WS) (瓦登伯革氏症侯群)
203Walker-Warburg Syndrome (WWS) (Walker-Warburg綜合症)
204WDR45 (Genetic Disorder)
205Wells Syndrome (韋爾斯綜合症)
206West Syndrome-Infantile Spasms (韋氏症-嬰兒痙攣症)
207Williams Syndrome (WS) (威廉氏症候群)
208Wilson's Disease (WD) (威爾森氏症)
209Wolf-Hirschhorn Syndrome (WHS) (沃夫-賀許宏氏症候群)
210Wolfram Syndrome (Wolfram症候群)
211Worster-Drought Syndrome (WDS)
212WWOX Syndrome (Genetic Disorder)