Ruohonpää is a district in the Kuninkoja ward of the city of Turku, in Finland. It is located to the west of the city, and is mainly a low-density residential suburb.
The current population of Ruohonpää is 2,375, and it is decreasing at an annual rate of 0.59%. 12.04% of the district's population are under 15 years old, while 25.89% are over 65. The district's linguistic makeup is 94.32% Finnish, 3.87% Swedish, and 1.81% other.