| Finnish: Meilahti | |
| Other Name: | Swedish: Mejlans |
| Settlement Type: | Helsinki Subdivision |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Uusimaa |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Greater Helsinki |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Helsinki |
| Subdivision Type4: | District |
| Subdivision Name4: | Western |
| Parts Type: | Subdivision regions |
| Parts Style: | para |
| Total Type: | |
| Area Total Km2: | 2.12 |
| Population Total: | 6,792 |
| Population Density Km2: | 3,090 |
| Postal Code Type: | Postal codes |
| Postal Code: | 00270, 00250 |
| Blank Name Sec1: | Subdivision number |
| Blank Info Sec1: | 15 |
| Blank1 Name Sec1: | Neighbouring subdivisions |
| Blank1 Info Sec1: | Vanha Munkkiniemi, Laakso, Ruskeasuo, Kuusisaari, Lehtisaari, Taka-Töölö, Etu-Töölö |
Meilahti (in Swedish Mejlans) is a neighbourhood of Helsinki between Mannerheimintie (the main entrance road to Helsinki) and a bay named Seurasaarenselkä. Most of the houses in Meilahti were built in the 1930s and 1940s. Meilahti is home to over 6700 people. Meilahti is the location of Mäntyniemi, official residence of the President of Finland, as well as Kesäranta, the official residence of Prime Minister of Finland. Near Mäntyniemi is the former presidential residence, Tamminiemi, which is today a museum dedicated to president Urho Kekkonen.
Several hospitals are located in this district, including the Meilahti Hospital of the Helsinki University Central Hospital (HUCH).
Neighbourhoods surrounding Meilahti are Töölö, Munkkiniemi, Ruskeasuo, Pikku Huopalahti and Laakso.
For the 1952 Summer Olympics, the neighborhood hosted the rowing events.