Most common benign tumour of the oesophagus is:
BENIGN TUMORS OF ESOPHAGUS

Usually mesenchymal in origin.
Arise within the esophageal wall.

Types of benign tumors:

Leiomyomas - Most common.
Fibromas
Lipomas
Hemangiomas
Neurofibromas
Lymphangiomas.
Lipoma
Hamartoma
Leiomyoma
Hemangioma