Telehealth strategies to supplement or replace in-person maternity care may affect maternal health outcomes.To conduct a rapid review of the effectiveness and harms of telehealth strategies for maternal health care given the recent expansion of telehealth arising from the COVID-19 pandemic, and to produce an evidence map.Systematic searches of MEDLINE, the Cochrane Library, CINAHL, Embase, and Scopus for English-language studies (January 2015 to April 2022).Randomized controlled trials (RCTs) and observational studies of maternal care telehealth strategies versus usual care.Dual data extraction and risk-of-bias assessment of studies, with disagreements resolved through consensus.28 RCTs and 14 observational studies (Interventions varied, and evidence was inadequate for some clinical outcomes.Replacing or supplementing in-person maternal care with telehealth generally results in similar, and sometimes better, clinical outcomes and patient satisfaction compared with in-person care. The effect on access to care, health equity, and harms is unclear.Patient-Centered Outcomes Research Institute. (PROSPERO: CRD42021276347).