The present invention provides methods for reducing lipoprotein(a) (Lp(a)) in patients. The methods of the present invention comprise selecting a patient who exhibits elevated serum Lp(a), and administering to the patient a pharmaceutical composition comprising a PCSK9 inhibitor. In certain embodiments, the PCSK9 inhibitor is an anti-PCSK9 antibody such as the exemplary antibody referred to herein as mAb316P.