| Settlement Type: | Town |
| Pushpin Map: | India Bihar |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 25.1678°N 86.0944°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | Division |
| Subdivision Name2: | Munger |
| Subdivision Type3: | District |
| Subdivision Name3: | Lakhisarai |
| Established Date: | 1992 |
| Governing Body: | Municipal council |
| Unit Pref: | Metric |
| Area Total Km2: | 12 |
| Population Total: | 99979 |
| Population As Of: | 2011 |
| Population Rank: | 22nd in Bihar |
| Population Density Km2: | 653 |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi[1] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | Urdu |
| Demographics1 Title3: | Regional languages |
| Demographics1 Info3: | Magahi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 811311[2] |
| Blank1 Name Sec1: | Nearest city |
| Blank1 Info Sec1: | Munger |
| Blank2 Name Sec1: | Sex ratio |
| Blank2 Info Sec1: | 0.92 ♂/♀ |
| Blank3 Name Sec1: | Literacy |
| Blank3 Info Sec1: | 60.96% |
| Blank4 Name Sec1: | Lok Sabha constituency |
| Blank4 Info Sec1: | Munger |
| Blank5 Name Sec1: | Vidhan Sabha constituency |
| Blank5 Info Sec1: | Lakhisarai |
| Blank6 Name Sec1: | Civic agency |
| Blank6 Info Sec1: | Municipal council |
| Official Name: | Lakhisarai |
Lakhisarai (archaic spelling: Luckeesarai) town is the administrative headquarters of Lakhisarai district in the Indian state of Bihar. The town has a population of 99,979 (2011 census). it is situated about 45 km west of Munger.
As of 2011 Indian Census, Lakhisarai had a total population of 99,979, of which 52,665 were males and 47,314 were females. Population within the age group of 0 to 6 years was 17,641. The total number of literates in Lakhisarai was 57,902, which constituted 57.9% of the population with male literacy of 63.9% and female literacy of 51.2%. The effective literacy rate of the population above 7 years of age in Lakhisarai was 70.3%, of which male literacy rate was 77.6% and female literacy rate was 62,2%. The Scheduled Castes and Scheduled Tribes population was 10,730 and 180 respectively. Lakhisaraihad 17214 households in 2011.[3]