| Country: | Scotland |
| Official Name: | Macmerry |
| Static Image Name: | Main Road, Macmerry (geograph 2789407).jpg |
| Static Image Caption: | Main Road, A199, Macmerry |
| Population Ref: | |
| Os Grid Reference: | NT434723 |
| Map Type: | Scotland |
| Coordinates: | 55.941°N -2.906°W |
| Pushpin Map: | Scotland East Lothian |
| Post Town: | TRANENT |
| Postcode District: | EH33 |
| Postcode Area: | EH |
| Dial Code: | 01875 |
Macmerry is a village located on the old A1 (now renumbered the A199) just east of Tranent.
The village has a primary school with a roll of around 100.There is an industrial estate to the east of the town. Originally this area was part of the RAF Macmerry, also known as Penston, which closed in 1953.
There was a railway branch line until 1960 which served the local coal mines.
Macmerry has two major bus networks Prentice Coaches and Lothian Buses
Prentice 108 serve the village town towards either Haddington or Fort Kinnaird
Lothian Buses service 104 which is owned by Lothian Country Buses serves the area and continue on towards Gladsmuir and then Haddington. Macmerry is in Zone C of Lothian Country Buses fare zone map, alongside Gladsmuir, Ormiston and Pencaitland.