176Waardenburg Syndrome (WS) (瓦登伯革氏症)
177Walker-Warburg Syndrome (WWS) (Walker-Warburg症)
178WDR45 Syndrome (Genetic Disorder)
179Wells Syndrome (韋爾斯症)
180West Syndrome-Infantile Spasms (韋氏症-嬰兒痙攣症)
181Williams Syndrome (WS) (威廉氏症)
182Wilson's Disease (WD) (威爾森氏症)
183Wolf–Hirschhorn Syndrome (WHS) (沃夫-賀許宏氏症)
184Wolfram Syndrome
185Worster-Drought Syndrome (WDS)
186WWOX Syndrome (Genetic Disorder)