| Dapp | |
| Settlement Type: | Hamlet |
| Pushpin Relief: | yes |
| Pushpin Map: | Canada Alberta#Canada |
| Pushpin Map Caption: | Location of Dapp |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alberta |
| Subdivision Type2: | Region |
| Subdivision Name2: | Central Alberta |
| Subdivision Type3: | Census division |
| Subdivision Name3: | 13 |
| Subdivision Type4: | Municipal district |
| Subdivision Name4: | Westlock County |
| Government Type: | Unincorporated |
| Leader Title1: | Governing body |
| Leader Name1: | Westlock County Council |
| Established Title: | Established |
| Area Footnotes: | (2021) |
| Area Land Km2: | 0.31 |
| Population As Of: | 2021 |
| Population Total: | 30 |
| Population Density Km2: | 95.8 |
| Timezone: | MST |
| Utc Offset: | −07:00 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | −06:00 |
| Coordinates: | 54.345°N -113.9158°W |
| Postal Code Type: | Postal code |
| Area Code: | 780, 587, 825 |
| Blank Name: | Highways |
| Blank1 Name: | Waterways |
Dapp is a hamlet in central Alberta, Canada within Westlock County. It is located west of Highway 44, approximately northwest of St. Albert.
In the 2021 Census of Population conducted by Statistics Canada, Dapp had a population of 30 living in 13 of its 17 total private dwellings, a change of from its 2016 population of 20. With a land area of, it had a population density of in 2021.[1]
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Dapp had a population of 10 living in 4 of its 5 total private dwellings, a change of from its 2011 population of 34. With a land area of 0.2km2, it had a population density of in 2016.[2]
The community derives its name from the initials of David A. Pennicuick, a railroad official.[3]
In 1985, one of the last two traditional wooden grain elevators in Alberta was built in Dapp by the Alberta Wheat Pool.[4] Dapp Hotel was built in 1948 and one of the first dwellings reported, was built in 1945, possibly the first house in the community.