Miet Smet (5 April 1943 – 19 December 2024) was a Belgian politician for the Christian Democratic and Flemish party (CD&V).

In 1988, Smet became the president of the European Centre for Workers' Questions, a position which she held till 1995.

Smet was the founder (1973), and first president (until 1982) of the Christian People's Party political women's organisation, Vrouw en Maatschappij (Woman and Society).

On 27 September 2008, Miet married fellow CD&V politician and former Belgian Prime Minister Wilfried Martens.

[9] After the death of Martens' first wife, Lieve Verschroeven, the marriage was confirmed in the Catholic Church on 27 April 2013.