WAlgebraic curveWAbelian varietyWAcnodeWBicornWBifoliumWBitangentWBitangents of a quarticWBring's curveWBullet-nose curveWButterfly curve (algebraic)WCartesian ovalWCassini ovalWCayley–Bacharach theoremWCissoid of DioclesWConchoid of de SluzeWConchoid of DürerWConic sectionWCramer's paradoxWCrunodeWCubic plane curveWCusp (singularity)WDeltoid curveWElkies trinomial curvesWEllipseWEpicycloidWFermat curveWFolium of DescartesWGenus (mathematics)WHippopedeWHyperbolaWHyperelliptic curveWKlein quarticWLemniscate of BernoulliWLemniscate of GeronoWLimaçonWLimaçon trisectrixWLüroth quarticWMordell curveWN-ellipseWParabolaWPolar curveWPolynomial lemniscateWSectrix of MaclaurinWSinusoidal spiralWSpiric sectionWSquircleWSupereggWTacnodeWTrident curveWWeierstrass's elliptic functionsWWitch of Agnesi
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