78th Oregon Legislative Assembly

{{Use American English|date=February 2025}}

{{Use mdy dates|date=January 2025}}

{{Infobox Legislative Session

| name = 78th Oregon Legislative Assembly

| image =

| imagesize =

| caption =

| body = Oregon Legislative Assembly

| country = United States

| state = Oregon

| meeting_place = Oregon State Capitol

| term = 2015–2016

| before = 77th Legislative Assembly

| after = 79th Legislative Assembly

| website = [https://www.oregonlegislature.gov/ www.oregonlegislature.gov]

| chamber1 = Oregon State Senate

| membership1 = 30 Senators

| control1 = Democratic

| chamber1_image = United States Oregon State Senate 2014.svg

| chamber1_leader1_type = Senate President

| chamber1_leader1 = Peter Courtney (D)

| chamber1_leader2_type = Majority Leader

| chamber1_leader2 = Diane Rosenbaum (D)

| chamber1_leader3_type = Minority Leader

| chamber1_leader3 = Ted Ferrioli (R)

| chamber2 = Oregon House of Representatives

| membership2 = 60 Representatives

| control2 = Democratic

| chamber2_leader1_type = Speaker of the House

| chamber2_leader1 = Tina Kotek (D)

| chamber2_leader2_type = Majority Leader

| chamber2_leader2 = Val Hoyle (D)

| chamber2_leader3_type = Minority Leader

| chamber2_leader3 = Mike McLane (R)

}}

The 78th Oregon Legislative Assembly convened beginning on {{#formatdate:February 2, 2015}}, for the first of its two regular sessions. All of the 60 seats in the House of Representatives and 14 of the 30 seats in the State Senate were up for election in 2014; the general election for those seats took place on {{#formatdate:November 4, 2014}}.

The Democratic Party of Oregon expanded its majority in the Senate to 18–12 and its majority in the House to 35–25.{{cite news|url=http://gov.oregonlive.com/election/|agency=The Oregonian|title=2014 GENERAL ELECTION: Oregon results|access-date=February 2, 2015}} Oregon was the only state where Democrats made net gains in both legislative chambers in the 2014 midterm elections.{{cite web|url=http://thepoliticalcenter.org/national-gop-tide-ebbed-reaching-oregon/|publisher=The Political Center|title=National GOP tide ebbed before reaching Oregon|first=Ryan|last=Tribbett|date=November 12, 2014|access-date=February 3, 2015|archive-url=https://web.archive.org/web/20150203124940/http://thepoliticalcenter.org/national-gop-tide-ebbed-reaching-oregon/|archive-date=February 3, 2015|url-status=dead}}{{cite news|url=http://www.blueoregon.com/2014/12/why-things-were-different-oregon/|agency=BlueOregon|title=Why things were different in Oregon|last=Chisholm|first=Kari|date=December 22, 2014|access-date=February 3, 2015}}