Itsuki Toyama

{{short description|Japanese politician}}

{{BLP sources|date=October 2021}}

{{expand Japanese|topic=bio|date=July 2024}}

{{Infobox officeholder

| name = Itsuki Toyama

| native_name = {{nobold|外山 斎}}

| native_name_lang = ja

| image =

| caption =

| office = Member of the House of Councillors

| constituency = Miyazaki at-large

| term_start = 29 July 2007

| term_end = 4 December 2012

| predecessor = Toshifumi Kosehira

| successor = Makoto Nagamine

| birth_date = {{birth date and age|1976|4|23|df=y}}

| birth_place = Nichinan, Miyazaki, Japan

| death_date =

| death_place =

| alma_mater = University of Essex

| party = Innovation
(2016–2017; 2018–present)

| otherparty = DPJ (2005–2007; 2009–2012)
Independent (2007–2009; 2013–2014)
PLF (2012)
TPJ (2012–2013)
PLP (2013)
JIP (2014–2016)
KnT (2017–2018)

}}

{{nihongo|Itsuki Toyama|外山 斎|Toyama Itsuki|extra=born 1976}} is a Japanese politician, an independent and member of the House of Councillors in the Diet (national legislature). He was elected to the House of Councillors for the first time in 2007 after running unsuccessfully for the House of Representatives in 2005.