This book constitutes the revised selected papers of the Third International Conference on Speech and Language Technologies for Low-Resource Languages, SPELLL 2024, held in Chennai, India, during December 4–6, 2024. The 44 full papers and 11 short papers included in these conference proceedings were carefully reviewed and selected from 120 submissions.They are divided into the following topical sections: Speech Processing and Spoken Language Understanding; Syntax, Semantics and Pragmatics; Advancements in Multilingual NLP: Resources,Processing, and Generation; Multimodality and Language Grounding to Vision and Robotics; Sentiment Analysis and Language-Specific Applications; Misinformation, Bias, and Mental Health Detection; Workshop 1: Workshop on Multimodal Machine Learning in Low-Resource Languages (MMLow 2024);Workshop 2: Workshop on Low Resource Cross Domain, Cross Lingual, Cross Modal Content Analysis –Multimedia and Generative AI; Workshop 3: Workshop on Fake News Detection in Low-Resource Languages.