Dipoena santacatarinae is a species of araneomorphae spider in the family Theridiidae.
The male holotype measures and the female paratype .
The name of the species comes from the place of its discovery, Santa Catarina.
The species is endemic to Brazil. It is found in the states of Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Rio de Janeiro and Minas Gerais.