It keeps the same day as the name it comes from — everything below is that name’s.
Key facts
Efstathios at a glance
Name day
20 September
This year · 2026
Sunday, 20 September
Next year · 2027
Monday, 20 September
Variations
Forms & nicknames of the name
One name takes many forms — the formal, the everyday, the affectionate, and the spellings that travelled abroad. Each has its own page here, and all share the same day.
Greek forms
English & romanised
Know another form?
Missing a form your family uses? Add it — a person reviews every submission before anything is published.
Add a form of this name
A person reviews every submission before anything is published.