Alternative Titles
Brazil
| Title | Type |
| IT: Bem-Vindos a Derry |
Germany
| Title | Type |
| ES: Welcome to Derry |
Germany
| Title | Type |
| ES - Welcome to Derry |
Indonesia
| Title | Type |
| IT: Selamat datang di Derry | Film |
Japan
| Title | Type |
| IT／Welcome to Derry "Sore" ga mietara, owari. | romaji |
Japan
| Title | Type |
| IT／Welcome to Derry If you see "It", it's the end. |
Russia
| Title | Type |
| Оно: Добро пожаловать в Дерри |
Thailand
| Title | Type |
| อิท: ยินดีต้อนรับสู่เดอร์รี่ |
Turkey
| Title | Type |
| O: Derry'e Hoş Geldiniz |
United States of America
| Title | Type |
| Welcome to Derry: From the World of IT | working title |
United States of America
| Title | Type |
| Welcome to Derry | working title |
VN
| Title | Type |
| Gã Hề Ma Quái: Chào Mừng Tới Derry | Other name |
VN
| Title | Type |
| Chúa Hề Ma Quái: Chào Mừng Đến Derry | Other name |
VN
| Title | Type |
| Chúa Hề Ma Quái: Chào Mừng Tới Derry | Other name |