In contrast to other states in the Gulf Cooperation Council, Oman has declined to participate in the Saudi-led military intervention in Yemen and has opted to facilitate dialogue between the conflict's warring parties. Oman has embraced a strategy of diplomatic deterrence in Yemen, facilitating dialogue to counter the perceived threats that Saudi Arabia and the United Arab Emirates pose to its foreign policy independence. The article explores how the Sultanate's diplomatic deterrence strategy manifests at the local, regional, and international levels, building on English- and Arabic-language source material and interviews.