Stéphanos I Sidarouss
| Stéphanos I Sidarouss إسطفانوس الأول سيداروس | |
|---|---|
| Cardinal Patriarch of Alexandria | |
| Sidarouss attending the second Vatican council. | |
| Church | Coptic Catholic Church | 
| See | Alexandria | 
| Appointed | 10 May 1958 | 
| Term ended | 24 May 1986 | 
| Predecessor | Markos II Khouzam | 
| Successor | Stéphanos II Ghattas | 
| Previous post(s) | 
 | 
| Orders | |
| Ordination | 22 July 1939 | 
| Consecration | 25 January 1948 by Markos II Khouzam | 
| Created cardinal | 22 February 1965 by Pope Paul VI | 
| Rank | Cardinal-Bishop Patriarch | 
| Personal details | |
| Born | Stéphanos Sidarouss 22 February 1904 Cairo, Egypt | 
| Died | 23 August 1987 (aged 83) Cairo, Egypt | 
| Nationality | Egyptian | 
| Denomination | Coptic Catholic Church | 
| Coat of arms | |
| Styles of Stéphanos I Sidarouss | |
|---|---|
| Reference style | His Eminence | 
| Spoken style | Your Eminence | 
| Informal style | Cardinal | 
Stéphanos I Sidarouss CM (Arabic: إسطفانوس الأول سيداروس) (22 February 1904 – 23 August 1987) was an Egyptian patriarch of the Coptic Catholic Church, an Eastern Catholic sui juris particular church. He served as Patriarch of Alexandria from 1958 to 1986, and was elevated to the cardinalate in 1965.