WBicorn
WBifolium
WBrachistochrone curve
WBullet-nose curve
WButterfly curve (transcendental)
WCassini oval
WCircular triangle
WCochleoid
WConchoid (mathematics)
WConchoid of de Sluze
WCyclocycloid
WDevil's curve
WEllipse
WEpispiral
WEuler spiral
WFish curve
WFolium of Descartes
WHedgehog (geometry)
WKampyle of Eudoxus
WKappa curve
WLemniscate
WLemniscate of Bernoulli
WLimaçon trisectrix
WLissajous curve
WLituus (mathematics)
WLogarithmic spiral
WNodary
WOsgood curve
WPolynomial lemniscate
WRadiodrome
WReuleaux polygon
WReuleaux triangle
WRose (mathematics)
WRose (mathematics)
WSemicubical parabola
WSinusoidal spiral
WSquircle
WSuperellipse
WSwastika curve
WTautochrone curve
WTractrix
WTrisectrix of Maclaurin
WTroposkein
WTschirnhausen cubic
WWeighted catenary
WZindler curve