| Birth Date: | 11 September 1969 |
| Height: | 1.88 m |
| Weight: | 103kg (227lb) |
| Ru Position: | Loose forward |
| Repyears1: | 1993-1995 |
| Repcaps1: | 8 |
| Reppoints1: | 0 |
Ismaila Lassissi, sometimes also spelled Isimaila Lassissi (born 11 September 1969), is a former Ivorian rugby union footballer. He played as a flanker and as a number eight.
He played for Burotic Abidjan, in Ivory Coast and for Stade Rodez Aveyron and Castres Olympique, in France. He earned 8 caps for the Ivory Coast national team, from 1993 to 1995, without ever scoring. He was a member of the Ivorian Squad at the 1995 Rugby World Cup finals, playing in all the three games. Lassissi has not since been selected for his National Team.