Grein may refer to:
==People== Alice Augusta Grein née Graveen (1874−1944), English actress, playwright and theatre producer, wife of Jakob Jakob Thomas Grein (1862–1935), Dutch theatre impresario and drama critic, husband of Alice Richard Frank Grein (1932−2024), American Episcopal clergyman
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).