Vieta may refer to:
François Viète (1540–1603), commonly known as Franciscus Vieta, French mathematician Vieta (crater), a crater on the Moon, named after him Vieta's formulas, expressing the coefficients of a polynomial as signed sums and products of its roots Artūras Vieta (born 1961), Lithuanian sprint canoer Eduard Vieta, Spanish psychiatrist Vieta (beetle), a genus of beetles in the subtribe Sepidiina