Tieback may refer to:

• Tieback (geotechnical)
  Tieback (geotechnical)
  A tieback is a horizontal wire or rod, or a helical anchor used to reinforce retaining walls for stability. With one end of the tieback secured to the wall, the other end is anchored to a stable structure, such as a concrete deadman which has been driven into the ground or anchored into earth with...
  
  , a method of supporting retaining walls
• Reconciliation, Relating Back
• Tieback (subsea), is a connection between a new oil and gas discovery and an existing production facility, improving the economics of marginal fields into profitable assets.

A tieback is a loop of cloth, cord, etc, which is placed around a curtain

Curtain

A curtain is a piece of cloth intended to block or obscure light, or drafts, or water in the case of a shower curtain. Curtains hung over a doorway are known as portières...

 to hold it open to one side. Typically, a tieback will be passed through a ring on a hook attached to the wall, and fastened with a knot

Knot

A knot is a method of fastening or securing linear material such as rope by tying or interweaving. It may consist of a length of one or several segments of rope, string, webbing, twine, strap, or even chain interwoven such that the line can bind to itself or to some other object—the "load"...

, button

Button

In modern clothing and fashion design, a button is a small fastener, most commonly made of plastic, but also frequently of seashell, which secures two pieces of fabric together. In archaeology, a button can be a significant artifact. In the applied arts and in craft, a button can be an example of...

 or velcro

Velcro

Velcro is the brand name of the first commercially marketed fabric hook-and-loop fastener, invented in 1948 by the Swiss electrical engineer George de Mestral...

. They are often adorned with tassel

Tassel

A tassel is a finishing feature in fabric decoration. It is a universal ornament that is seen in varying versions in many cultures around the globe.-Etymology:...

s.
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In journalism

Journalism

Journalism is the practice of investigation and reporting of events, issues and trends to a broad audience in a timely fashion. Though there are many variations of journalism, the ideal is to inform the intended audience. Along with covering organizations and institutions such as government and...

 a tieback is a newspaper

Newspaper

A newspaper is a scheduled publication containing news of current events, informative articles, diverse features and advertising. It usually is printed on relatively inexpensive, low-grade paper such as newsprint. By 2007, there were 6580 daily newspapers in the world selling 395 million copies a...

rewrite. It usually consists of a few paragraphs which contain a short synopsis of the information presented in the original story. The chief purposes of a tieback are to refresh the memories of readers who saw the old story and to update new readers.
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In data analysis, a tieback refers to reconciliation between a piece of data that has gone through processing and the resulting data that may be in the same or different form as the original. It is the reconciliation process to ensure that all data has been accounted for. For example, in project accounting, one would tieback or reconcile invoices from Accounts Receivable back to source transactions to make sure that all transactions are accounted for.