232Waardenburg Syndrome (WS) (瓦登伯革氏症侯群)
233Waldenstrom's Macroglobulinemia (WM) (華氏巨頭蛋白血症)
234Walker-Warburg Syndrome (WWS) (Walker-Warburg綜合症)
235WDR45 (Genetic Disorder)
236Wells Syndrome (韋爾斯綜合症)
237West Syndrome-Infantile Spasms (韋氏症-嬰兒痙攣症)
238Williams Syndrome (WS) (威廉氏症候群)
239Wilson's Disease (WD) (威爾遜氏症)
240Wolf-Hirschhorn Syndrome (WHS) (沃夫-賀許宏氏症候群)
241Wolfram Syndrome (Wolfram症候群)
242Worster-Drought Syndrome (WDS)
243WWOX Syndrome (Genetic Disorder)