| Official Name: | Mhaiydseh |
| Native Name: | محيدثة |
| Settlement Type: | Village |
| Pushpin Map: | Lebanon |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Lebanon |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Beqaa Governorate |
| Subdivision Type2: | District |
| Subdivision Name2: | Rashaya District |
| Unit Pref: | Imperial |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 33.5561°N 35.8128°W |
| Elevation M: | 1140 |
Mhaydseh, (محيدثة) Bekaa Valley, Lebanon (sometimes pronounced plainly as "Al Mhaydseh","Muhaydhi") is a town in the south-eastern portion of the Bekaa, a governorate of the Republic of Lebanon. Mhaydseh is part of the Rashaya District.
In 1838, Eli Smith noted it as el-Muheiditheh; a Sunni Muslim village in the Beqaa Valley.[1]