Ramesh is a common name in India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 and Nepal

Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

 as well as other parts of the world

World

World is a common name for the whole of human civilization, specifically human experience, history, or the human condition in general, worldwide, i.e. anywhere on Earth....

 where Hindu

Hindu

Hindu refers to an identity associated with the philosophical, religious and cultural systems that are indigenous to the Indian subcontinent. As used in the Constitution of India, the word "Hindu" is also attributed to all persons professing any Indian religion...

 are living.

The Sanskrit

Sanskrit

Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 meaning of words Ramesh is Ruler of Rama

Rama

Rama or full name Ramachandra is considered to be the seventh avatar of Vishnu in Hinduism, and a king of Ayodhya in ancient Indian...

.

Ramesh is a Hindu name, from Sanskrit rameša ‘lord (or husband) of Rama’, an epithet of the god Vishnu. Rama is Vishnu’s wife.

In other words, Ramesh Means "ruler of Rama", derived from Sanskrit रमा (Rama), a name of Lakshmi (wife of the god Vishnu), combined with ईश (isha) "ruler". This is one of the names of the Hindu god Vishnu.