Voroshilovsky (masculine), Voroshilovskaya (feminine), or Voroshilovskoye (neuter) may refer to:

• Voroshilovsky District, name of several districts in the countries of the former Soviet Union
• Voroshilovsky (inhabited locality) (Voroshilovskaya, Voroshilovskoye), name of several rural localities in Russia
• Voroshilovskoye, former name of Alamudun, Kyrgyzstan

• Mitochondrial disorders
• Mitochondrial dna
• Mitochondrial DNA copy number
• Mitochondrial electron transport chain
• Mitochondrial encephalomyopathies
• Mitochondrial Eve hypothesis
• Mitochondrial gene
• Mitochondrial genetics
• Mitochondrial inner membrane
• Mitochondrial intermembrane space
• Mitochondrial membrane transporter
• Mitochondrial membrane transport protein
• Mitochondrial membrane transport proteins
• Mitochondrial myopathies
• Mitochondrial Myopathy
• Mitochondrial myopathy
• Mitochondrial Myopathy, Lactic Acidosis, Stroke-Like Episode
• Mitochondrial neurogastrointestinal encephalopathy syndrome
• Mitochondrial permeability pore
• Mitochondrial permeability transition pore
• Mitochondrial proteins
• Mitochondrial shuttle
• Mitochondrial toxicity
• Mitochondrial transport protein
• Mitochondrial trifunctional protein