This research aimed to describe the relationship between dispositional optimism and active and avoidant coping in a sample of 94 parents of children between 3 and 13 years old diagnosed with autism of Lima city. Life Orientation Test-Revised (LOT-R, Grimaldo, 2004) was applied to measure the Dispositional Optimism, and the Modified Coping Strategies Scale (EEC-M, Londoño, Henao, Puerta, Posada, Arango & Aguirre-Acevedo, 2006) to measure the Coping that the participants used. Among the results, it was found a significant and positive relationship between the mentioned variables; showing that parents who perceive the future in a positive way could cope in a more adaptive way with experiences that include coexistence with their child's condition. In addition, the results are similar to those obtained in previous researchs with the same sample characteristics. Also are exposed the limitations found during the study and suggestions that may be taken for further research.