The Friendship Bench trial is a cluster-randomised trial of the effect of problem-solving therapy training for lay workers on symptoms of common mental disorders among clinic attenders in Harare, Zimbabwe. This dataset enables replication of analysis for a paper on suicidal ideation, but has undergone anonymisation process to protect study participants. 12 primary care clinics in Harare were randomised 1:1 to intervention or control. In each clinic, 24 participants were enrolled who were: visiting the clinic (either for their own health needs or accompanying someone else); aged 18 or over; living locally; and screened positive for common mental disorder symptoms. Outcomes were measured after 6 months. 86% of participants were women, 42% were HIV positive and 91% completed follow-up