- 三自一包 sānzìyībāo Three-Self and One Contractan agricultural policy in 1960s China involving private plots, free markets, household responsibility for profit and loss, and output quotas based on households
- 一二三自由日 yī'èrsānzìyóurì World Freedom DayWorld Freedom Day, a holiday formerly observed on January 23rd to commemorate the arrival of prisoners of war in Taiwan following the Korean War
- 三自教会 sānzìjiàohuì Three-Self Patriotic MovementThe government-sanctioned Protestant church in the People's Republic of China since 1949, operating under the principles of self-governance, self-support, and self-propagation.
- 三自爱国教会 sānzì'àiguójiàohuì Three-Self Patriotic MovementThree-Self Patriotic Movement; the Protestant church sanctioned by the Chinese government since 1949