ACM Transactions on Computation Theory

ACM Transactions on Computation Theory (ACM ToCT) is a quarterly peer-reviewed scientific journal devoted to the study of computational complexity theory and allied fields. It was established in 2009 and is published by the Association for Computing Machinery, a premier scientific and educational society on computer science and computational technology in the United States.

The editor-in-chief is Prahladh Harsha. (Tata Institute of Fundamental Research).

Abstracting and indexing
The journal is abstracted and indexed in the Science Citation Index Expanded, and Scopus. According to the Journal Citation Reports, the journal has a 2022 impact factor of 0.7.

Past editors
The following persons have been editors-in-chief of the journal:
 * Lance Fortnow (2009-2010)
 * Eric Allender (2010-2017)
 * Venkatesan Guruswami (2017-2019)
 * Ryan O'Donnell (2020-2022)
 * Prahladh Harsha (2023-)