| Kako Sanz | |
| Fullname: | Alejandro Sanz Sainz |
| Birth Date: | 5 June 1993 |
| Birth Place: | Tudela, Spain |
| Height: | 1.81 m |
| Position: | Midfielder |
| Youthclubs1: | Real Sociedad |
| Years1: | 2012–2018 |
| Caps1: | 169 |
| Goals1: | 6 |
| Years2: | 2018–2020 |
| Caps2: | 32 |
| Goals2: | 0 |
| Years3: | 2020 |
| Clubs3: | → Castellón (loan) |
| Caps3: | 7 |
| Goals3: | 0 |
| Years4: | 2020–2021 |
| Caps4: | 6 |
| Goals4: | 0 |
| Years5: | 2021 |
| Caps5: | 22 |
| Goals5: | 1 |
| Years6: | 2022 |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2022–2023 |
| Caps7: | 22 |
| Goals7: | 0 |
| Club-Update: | 28 May 2023 |
Alejandro "Kako" Sanz Sainz (born 5 June 1993) is a Spanish footballer who plays as a central midfielder.
Sanz was born in Tudela, Navarre, and represented Real Sociedad as a youth. In July 2012 he was promoted to the reserves in Segunda División B,[1] and made his senior debut on 26 August of that year by coming on as a second-half substitute in a 0–0 away draw against Racing de Santander B.
Sanz scored his first senior goal on 9 February 2013, netting the winner in a 2–1 home defeat of CD Izarra.[2] He subsequently became a regular starter for Sanse, being a team captain in the process.
On 16 July 2018, free agent Sanz signed a one-year deal with Segunda División side CD Numancia.[3] He made his professional debut on 18 August, replacing Pape Maly Diamanka late into a 3–3 away draw against Córdoba CF.
On 10 June 2019, Sanz extended his contract with the Soria outfit until 2022.[4] The following 18 January, he was loaned to CD Castellón in the third division for six months,[5] and helped the latter side achieve promotion to the second division.
On 24 September 2020, Sanz signed for CD Atlético Baleares in division three.[6] The following 27 January, he moved abroad and signed for FC Inter Turku in Finland.[7]