Background: To reduce the rate of illicit drug use, the public has an important role to play, therefore how they perceive illicit drug use among youths must be ascertained. This study seeks to ascertain the public perception of strategies for curbing adolescent drug use.Methods: A descriptive cross-sectional research design was used for the study. The study adopted a mixed-method approach comprising quantitative and qualitative methods. The study population consisted of members of the public aged 18 years and above, residing in Owerri metropolis at the time of the study. A total of 10 communities were selected randomly in all: four communities from the 16 communities that make up Owerri West, five communities from the 18 communities that make up Owerri North and one community from the five communities that make up Owerri Municipal. A total of 16 respondents were purposively selected for in-depth interviews.Results: The quantitative findings show that 70.7% of respondents believe that the use of illicit drugs by adolescents can be controlled. The findings also show that one of the public’s perception to control adolescent drug use is to establish stringent anti-illicit drugs consumption laws/policies (20.4%) amongst others. The qualitative findings report that in order to curb the use of drugs by adolescents, the following activities and bodies need to be implored: health promotion, raising more awareness and sensitization campaigns, creation of remand homes for juveniles, the involvement of parents, school authorities and religious organizations and rehabilitation programmes. However, raising awareness, according to the study was reported as a reliable way of eliminating drug use among adolescents.Conclusion: To curb illicit drug use, proper funding of drug enforcement agencies, sensitization campaigns, strict laws on drug prescription, provision and use and health education etc. are very necessary for reducing adolescents’ illicit drug consumption.