TTG may refer to:
== Medicine, science and technology == Tissue transglutaminase (tTG), an enzyme Tonalite-trondhjemite-granodiorite, an association of three closely related rock types, found particularly in crust of Archean age Transmit/receive transition gap in communications TTG, a codon for the amino acid Leucine
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).