mTower

{{Short description|Office skyscraper in Singapore}}

{{Use Singapore English|date=April 2025}}

{{Use dmy dates|date=April 2025}}

{{lowercase title}}

{{Infobox building

| name = mTower

| native_name =

| image = PSA Building.jpg

| caption =

| alternate_names=

| location = 460 Alexandra Road
Singapore 119963
{{SMRT code |CC|27}} Labrador Park

| coordinates = {{coord|1.2735|103.8012|region:SG_type:landmark|display=title,inline}}

| start_date = 1985

| completion_date= 1986

| architectural_style = Modernism

| building_type = Commercial offices

| roof = {{convert|183|m|abbr=on}}

| top_floor =

| floor_count = 42{{cite web |title=PSA Building |url=https://www.skyscrapercenter.com/building/wd/2219 |website=Council on Tall Buildings and Urban Habitat |access-date=19 September 2023}}

| unit_count =

| elevator_count =

| cost =

| floor_area =

| architect = SAA Partnership

| engineer =

| contractor =

| developer =

| owner = Mapletree Commercial Trust

| management =

| references = {{ctbuh|2219}}{{Cite web |url=https://www.emporis.com/buildings/106458 |archive-url=https://web.archive.org/web/20160307041729/https://www.emporis.com/buildings/106458 |url-status=usurped |archive-date=March 7, 2016 |title=Emporis building ID 106458 |work=Emporis}}{{skyscraperpage|3343}}{{cite web |title=Mapletree: mTower (Formerly PSA Building) |url=http://www.mapletree.com.sg/prop_details.aspx?pid=18 |access-date=29 October 2011}}

}}

mTower, formerly known as PSA Building, is an integrated development in Singapore, comprising a 40-storey office building and a 3-storey retail centre, Alexandra Retail Centre. It is located at Alexandra Road, Singapore. The building also houses Singapore's Ministry of Transport and the Maritime and Port Authority of Singapore.