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Kirigami is an ancient technique that alters the structure and flexibility of materials. This presentation will focus on molecular dynamics (MD) simulations of mechanical properties of atomically thin kirigami MoS₂ membranes. Two kirigami structures — rectangular and hexagonal patterns — are studied in indentation simulations. Our simulations reveal dramatic changes in the ductility of monolayer kirigami MoS₂ compared with regular MoS₂ monolayer. We observe the inelastic response of kirigami MoS₂ membranes under indentation. We also identify the role of defects in the inelasticity of kirigami MoS₂. Results for other mechanical properties of kirigami MoS₂ will also be presented.