Sipajhar

{{refimprove|date=May 2025}}

{{Use dmy dates|date=September 2018}}

{{Use Indian English|date=September 2018}}

{{Infobox settlement

| name = Sipajhar

| nickname =

| settlement_type = Town

| image_skyline =

| image_caption =

| pushpin_map = India Assam#India

| pushpin_label_position = right

| pushpin_map_alt = Assam Darrang district

| pushpin_map_caption = Location in Assam, India

| coordinates = {{coord|26.4009984|N|91.8293953|E|display=inline,title}}

| subdivision_type = Country

| subdivision_name = {{flag|India}}

| subdivision_type1 = State

| subdivision_name1 = Assam

| subdivision_type2 = Subdivision

| subdivision_name2 = Mangaldoi

| subdivision_type3 = District

| subdivision_name3 = Darrang

| subdivision_type4 = Zone

| subdivision_name4 = 1

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| pop_est_as_of = 2011

| population_total = 15,671 (incl New Sipajhar)

| population_metro =

| population_rank =

| population_density_km2 = auto

| population_demonym =

| population_footnotes =

| demographics_type1 = Languages

| demographics1_title1 = Official

| demographics1_info1 = Assamese

| timezone1 = IST

| utc_offset1 = +5:30

| postal_code_type = PIN

| postal_code = 784145

| area_code_type = Telephone code

| area_code = 03664

| registration_plate = AS-13

}}

Sipajhar is a small town in Darrang district of Assam, India.{{cite web |author= |date=2011 |title=Basic Population Figures of India, States, Districts, Sub-District and Village, 2011 |url=https://censusindia.gov.in/nada/index.php/catalog/42554/download/46180/2011-IndiaStateDistSbDistVill-0000.xlsx |website=censusindia.gov.in |publisher=Ministry of Home Affairs |access-date=May 18, 2025 |archive-url=https://web.archive.org/web/20220711042331/https://censusindia.gov.in/nada/index.php/catalog/42554/download/46180/2011-IndiaStateDistSbDistVill-0000.xlsx |archive-date=2022-07-11}} It is around 50 km away from Dispur, capital city of Assam. The district headquarters of Mangaldoi is around 15 km from Sipajhar. National Highway 15 (India) goes through the town.