Lefebvrea angustisecta, synonyms including Peucedanum angustisectum, is a species of flowering plant in the family Apiaceae.

[2] Its natural habitat is subtropical or tropical dry lowland grassland.

Lefebvrea angustisecta was assessed as "near threatened" in the 2000 IUCN Red List.

Separately, Lefebvrea camerunensis was assessed as "endangered" in 2000[3] and Lefebvrea kupensis was assessed as "vulnerable" in 2004.

[4] As of January 2024[update], Plants of the World Online treated both L. camerunensis and L. kupensis as synonyms of L. angustisecta.