W1p36 deletion syndrome
WAdie syndrome
WAntley–Bixler syndromeWArterial tortuosity syndrome
WAxenfeld–Rieger syndrome
WBardet–Biedl syndromeWBehr syndrome
WBlepharophimosis, ptosis, epicanthus inversus syndrome
WBonnet–Dechaume–Blanc syndrome
WBörjeson–Forssman–Lehmann syndrome
WCat eye syndrome
WCataract-microcornea syndrome
WCHARGE syndromeWCosteff syndrome
WDaentl Townsend Siegel syndromeWDeSanctis–Cacchione syndromeWDonnai–Barrow syndrome
WDry eye syndrome
WDuane syndromeWFlynn–Aird syndrome
WFoster Kennedy syndrome
WFragile X syndromeWFrank–ter Haar syndrome
WFraser syndrome
WFreeman–Sheldon syndromeWGillespie syndrome
WGómez–López-Hernández syndrome
WHorner's syndromeWJackson–Weiss syndromeWJalili syndromeWKapur–Toriello syndromeWLaurence–Moon syndromeWMarden–Walker syndrome
WMarfan syndromeWMarshall syndrome
WMeige's syndromeWMiller syndrome
WMöbius syndrome
WNance–Horan syndrome
WOculocerebrorenal syndrome
WPitt–Hopkins syndrome
WRothmund–Thomson syndromeWSaethre–Chotzen syndromeWSenior–Løken syndrome
WStrømme syndrome
WTerson syndrome
WTolosa–Hunt syndrome
WTriple-A syndromeWZunich–Kaye syndrome