Udaynarayanpur is a community development block that forms an administrative division in Uluberia subdivision of Howrah district in the Indian state of West Bengal.

Udaynarayanpur is located at 22°43′01″N 87°58′30″E / 22.717°N 87.975°E / 22.717; 87.975.

Udaynarayanpur CD Block is bounded by Pursurah CD Block, in Hooghly district, in the north, Jangipara CD Block, in Hooghly district, in the east, Amta I and Amta II CD Blocks in the south and Khanakul I and Khanakul II CD Blocks, in Hooghly district, in the west.

It is located 43 km from Howrah, the district headquarters.

Udaynarayanpur CD Block has an area of 124.80  km². Udaynarayanpur police station serves this CD Block. Udaynarayanpur panchayat samity has 11 gram panchayats. The block has 75 inhabited villages. Headquarters of this block is at Udaynarayanpur.

Howrah district is located on the west bank of the Hooghly. The Rupnarayan flows on the west and south of the district and the Damodar intersects it. The district consists of a flat alluvial plain.

Gram panchayats of Udaynayanpur block/panchayat samiti are: Bhabanipur Bidhichandrapur, Harali Udaynarayanpur, Khila, Rampur-Dihibhursut Asanda, Kurchi Shibpur, Debipur, Harishpur, Garbhabanipur-Sonatala, Kanupat Mansuka, Pancharul, Singti

Rural population is 49.63% of the total population of Howrah district as per 2001 census. Scheduled castes account for 15.41% of the population, scheduled tribes 0.44% and Muslims 24.4% of the population. As the economy is prevalently industrial, majority of the population depends on industries for a living. Only 30% of the population is engaged in cultivation.