We show that miR‐483 targets the 3′‐UTR of multiple genes implicated in PAH, including those involved in TGF‐β signaling (e.g., TGF‐β, TGFBR2), inflammation (e.g., IL‐1β), and vasoconstriction (e.g., ET‐1). Here, TGFB1 is linked to pulmonary arterial hypertension.