Idoia Otaegui Aizpurúa (born 1968) is a Basque lawyer, jurist, politician and university teacher.

A Private Law perspective", directed by full professor and lawyer Juanjo Álvarez Rubio.

[11] In the 2007 Spanish local elections Otaegui was a candidate for council member of the San Sebastián City Council, for the party Eusko Alkartasuna (EA), with Jaione Arratibel Arrondo as a candidate for mayor of San Sebastián.

[13][14][15] The PSE obtained eleven council members and Odón Elorza became mayor of San Sebastián.

[20][21] Previously she had been the director of the Cabinet of Minister of Justice Joseba Azkarraga in the VII Legislature (2001–2005) of the Basque Government.