UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Deutsche Strategic Income Trust (Name of Issuer) Common Stock (Title of Class of Securities) 25160F109 (CUSIP Number) 12/31/17 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: _X_	 Rule 13d-1(b) __	 Rule 13d-1(c) __	 Rule 13d-1(d) CUSIP No.: 25160F109 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Bulldog Investors LLC, 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) 3. SEC Use Only 4. Citizenship or Place of Organization Delaware Number of Shares Beneficially Owned by Each reporting Person With: 5. Sole Voting Power 94,405 6. Shared Voting Power 144,263 7. Sole Dispositive Power 94,405 8. Shared Dispositive Power 144,263 9. Aggregate Amount Beneficially Owned by Each Reporting Person 238,668 - (footnote 1) 10. Check if the Aggregate Amount in Row ( 9 ) Excludes Certain Shares (See Instructions) N/A 11. Percent of Class Represented by Amount in Row ( 9 ) 5.48% 12. Type of Reporting Person (See Instructions) IA 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Phillip Goldstein 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) 3. SEC Use Only 4. Citizenship or Place of Organization USA Number of Shares Beneficially Owned by Each reporting Person With: 5. Sole Voting Power 94,405 6. Shared Voting Power 144,263 7. Sole Dispositive Power 94,405 8. Shared Dispositive Power 144,263 9. Aggregate Amount Beneficially Owned by Each Reporting Person 238,668 - (footnote 1) 10. Check if the Aggregate Amount in Row ( 9 ) Excludes Certain Shares (See Instructions) N/A 11. Percent of Class Represented by Amount in Row ( 9 ) 5.48% 12. Type of Reporting Person (See Instructions) IN 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Andrew Dakos 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) 3. SEC Use Only 4. Citizenship or Place of Organization USA Number of Shares Beneficially Owned by Each reporting Person With: 5. Sole Voting Power 94,405 6. Shared Voting Power 144,263 7. Sole Dispositive Power 94,405 8. Shared Dispositive Power 144,263 9. Aggregate Amount Beneficially Owned by Each Reporting Person 238,668 - (footnote 1) 10. Check if the Aggregate Amount in Row ( 9 ) Excludes Certain Shares (See Instructions) N/A 11. Percent of Class Represented by Amount in Row ( 9 ) 5.48% 12. Type of Reporting Person (See Instructions) IN 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Steven Samuels 2. Check the Appropriate Box if a Member of a Group (See Instructions) (a) (b) 3. SEC Use Only 4. Citizenship or Place of Organization USA Number of Shares Beneficially Owned by Each reporting Person With: 5. Sole Voting Power 94,405 6. Shared Voting Power 144,263 7. Sole Dispositive Power 94,405 8. Shared Dispositive Power 144,263 9. Aggregate Amount Beneficially Owned by Each Reporting Person 238,668 - (footnote 1) 10. Check if the Aggregate Amount in Row ( 9 ) Excludes Certain Shares (See Instructions) N/A 11. Percent of Class Represented by Amount in Row ( 9 ) 5.48% 12. Type of Reporting Person (See Instructions) IN Item 1. (a) The Name of the Issuer is: Deutsche Strategic Income Trust (b) The Address of the Issuer's Principal Executive Office is: 345 Park Avenue New York, NY 10154-0004 Item 2. (a) The names of the Persons Filing are: Bulldog Investors LLC, Phillip Goldstein, Andrew Dakos and Steven Samuels (b) The address of principal place of business and principal office is: Park 80 West, 250 Pehle Ave. Suite 708 Saddle Brook, NJ 07663 (c) Citizenship or Place of Organization: Delaware (d) Title of Class of Securities: Common Stock (e) CUSIP Number: 25160F109 Item 3. This statement is filed pursuant to 240.13d-1(b). The person filing is: (e) An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E). Item 4. (a) Amount beneficially owned: 238,668 (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 94,405 (ii) Shared power to vote or to direct the vote: 144,263 (iii) Sole power to dispose or to direct the disposition of: 94,405 (iv) Shared power to dispose or to direct the disposition of: 144,263 Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ____. Item 6. Ownership of More than Five Percent on Behalf of Another Person. Clients of Bulldog Investors, LLC are entitled to receive dividends and sales proceeds. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security being Reported on by the Parent Holding Company. Not applicable. Item 8. Identification and Classification of Members of the Group. As per the N-CSR filing on 8/2/17, there were 4,358,304 shares of common stock outstanding as of 5/31/17. The percentages set forth herein were derived using such number. Phillip Goldstein, Andrew Dakos and Steven Samuels own Bulldog Investors, LLC, a registered investment adviser. As of February 6, 2018, Bulldog Investors, LLC is deemed to be the beneficial owner of 238,668 shares of KST by virtue of Bulldog Investors, LLC's power to direct the vote of, and dispose of, these shares. These 228,668 shares of KST include 94,405 shares (representing 2.17% of KST's outstanding shares) that are beneficially owned by the following entities over which Messrs. Goldstein, Dakos and Samuels exercise control: Opportunity Partners LP, Calapasas West Partners LP, Full Value Special Situations Fund LP, Full Value Partners LP, Opportunity Income Plus Fund LP, and MCM Opportunity Partners LP (collectively, Bulldog Investors Funds). Bulldog Investors Funds may be deemed to constitute a group. All other shares included in the aforementioned 238,668 shares of KST owned by Bulldog Investors, LLC (solely by virtue of its power to sell or direct the vote of these shares) are also beneficially owned by clients of Bulldog Investors, LLC who are not members of any group. The total number of these "non-group" shares is 144,263 shares (representing 3.31% of KST's outstanding shares). Item 9. Notice of Dissolution of Group. Not applicable. Item 10. Certification. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete, and correct. By: 	/s/ Name: 	Phillip Goldstein Title: Principal, Bulldog Investors LLC Date: 	February 7, 2018 By: 	/s/ Name: 	Andrew Dakos Title: 	Principal, Bulldog Investors LLC Date: February 7, 2018 By: 	/s/ Name: 	Steven Samuels Title: 	Principal, Bulldog Investors LLC Date: February 7, 2018 Bulldog Investors, LLC By: /s/ Andrew Dakos Andrew Dakos, Member Date: February 7, 2018 Footnote 1: The reporting persons disclaim beneficial ownership 	 except to the extent of any pecuniary interest therein. Exhibit A: Agreement to make joint filings. Agreement made as of the 7th day of February 2018, by and among Bulldog Investors, LLC, Phillip Goldstein, Andrew Dakos, and Steven Samuels. WHEREAS, Rule 13d-1(k)(1) under the Securities Exchange Act of 1934 provides that whenever two or more persons are required to file a statement containing the information required by Schedule 13G with respect to the same securities, only one such statement need be filed, so long as, among other things, such filing includes as an exhibit an agreement among such persons that such a statement is filed on behalf of each of them; WHEREAS, in connection with certain holdings of Deutsche Strategic Income Trust ("KST"), each of the parties to this Agreement is required to file a statement containing the information required by Schedule 13G with respect to the same holdings of KST; NOW THEREFORE, the parties hereby agree that one statement containing the information required by Schedule 13G shall be filed on behalf of each party hereto. IN WITNESS WHEREOF, this Agreement has been duly executed by the parties hereto as of the day and year first written above. By:/s/ Phillip Goldstein	By:/s/ Andrew Dakos 	Phillip Goldstein	Andrew Dakos 	 BULLDOG INVESTORS, LLC By: /s/ Steven Samuels	 By: /s/ Andrew Dakos 	Steven Samuels	 Andrew Dakos, Member