SAICA may refer to: South African Institute of Chartered Accountants, a non-profit association Sociedades anónimas inscrito de capital abierto, a type of company in Argentina Succinylaminoimidazolecarboxamide riboside (SAICA riboside), a molecule whose appearance is characteristic of the disease adenylosuccinate lyase deficiency
Saica may refer to: Saica (bug), a genus of bugs in the family Reduviidae