With the aid of the visualized softwares of CiteSpace and VOSviewer, the paper aims to investigate the research trends in the field of second language speech from 1992 to 2023, with the analysis of the citation data in the Core Collection Database of Web of Science. The research findings suggest that:1)The turning point emerges in 2008 for the continuously growing number of papers in the field;2)The studies mainly covers four disciplines;3)The traditional research on second language speech, second language suprasegmentals, second language speech assessment, second language pronunciation instruction, and newly emerged research on second language speech constitutes five major theme clusters in the field;4)Recent research frontiers mainly include: prosodic focus, pronunciation instruction, pronunciation training, second language speech fluency, third language phonological acquisition, and longitudinal research, etc. Based on the above findings, this paper proposes trends for future research on second language speech.