Arregui
Arregui is a family name for the following people:
- Antonio Arregui (* 1939), Spanish theologian, Archbishop of Guayaquil
- Ignacio Gracia Arregui (* 1955), alleged member of the top management of the Basque terrorist organization ETA
- Joseph Arregui y Yparaguirre (1903–1979), Spanish Roman Catholic clergyman