Lakshmi Narayan or Lakshmi-Narayana (Sanskrit: लक्ष्मी-नारायण, IAST: Lakṣmīnārāyaṇa), also sometimes spelled Lakshminarayan, Lakshminarayana, Laxminarayana, is a name of The Supreme Personality of Godhead in the Hindu religion. It is usually referring to Vishnu, also known as Narayan, when he is with his consort Lakshmi, in the causal ocean i.e. Karana Ocean, or it refers to the Narayana and Laxmi of Vaikuntha(spiritual world).
Read more about Lakshmi Narayan: Interpretations, In Swaminarayan Sampraday